March-2022-FirstStepsInCoding-Exercise-Soft Uni - Supplies for School

function payments(input){
 let chemicalsPrice = 5.80;
 let markersPrice = 7.20;
 let preparationPrice = 1.20;
 let chemicals = Number(input[0]);
 let markers = Number(input[1]);
 let preparation = Number(input[2]);
 let discount = Number(input[3]);
 let price = ((chemicals * chemicalsPrice) + (markers * markersPrice) + (preparation * preparationPrice));
 let sum = (price - (price * (discount / 100)));
 console.log(sum);
}