class Laptop{
    isOn = false
    constructor(info,quality){
    this.info = {
        producer : info.producer,
        age : info.age,
        brand : info.brand,
    }

    this.quality = quality


    }

    get price(){
        return ((800 - (this.info.age * 2)) + (this.quality * 0.5))
    }
     turnOn(){
        this.isOn = true
        this.quality--
        return  this.isOn
    }

    turnOff(){
        this.isOn = false
        this.quality--
        return  this.isOn
    }

    showInfo(){
        return JSON.stringify(this.info)
    }
    }