function solve(day,service,time) {
    let result = 0;
    switch (day) {
        case 'Monday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 5.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 7.50; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 4.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 6.50; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 10.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 12.50; break
            }
        case 'Tuesday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 5.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 7.50; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 4.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 6.50; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 10.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 12.50; break
            }
        case 'Wednesday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 5.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 7.50; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 4.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 6.50; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 10.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 12.50; break
            }
        case 'Thursday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 5.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 7.50; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 4.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 6.50; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 10.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 12.50; break
            }
        case 'Friday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 5.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 7.50; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 4.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 6.50; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 10.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 12.50; break
            }
        case 'Saturday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 8.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 8.00; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 7.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 7.00; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 15.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 15.00; break
            }
        case 'Sunday':
            if (service === 'Fitness' && time >= 8.00 && time <= 15.00){
                result = 8.00; break;
            }
            if (service === 'Fitness' && time >= 15.00 && time <= 22.00){
                result = 8.00; break
            }
            if (service === 'Sauna' && time >= 8.00 && time <= 15.00){
                result = 7.00; break;
            }
            if (service === 'Sauna' && time >= 15.00 && time <= 22.00){
                result = 7.00; break
            }
            if (service === 'Instructor' && time >= 8.00 && time <= 15.00){
                result = 15.00; break;
            }
            if (service === 'Instructor' && time >= 15.00 && time <= 22.00){
                result = 15.00; break
            }

    }
    console.log(result);
}

solve('Sunday', 'Fitness', 22.00);