Shopping [JavaScript]

function calc(input) {
    let peterBudget = Number(input[0]);
    let numberGPUs = Number(input[1]);
    let numberCPUs = Number(input[2]);
    let numberRAMs = Number(input[3]);

    let gpusPrice = numberGPUs * 250;
    let cpusPrice = gpusPrice * 0.35;
    let ramsPrice = gpusPrice * 0.10;

    let total = gpusPrice + (numberCPUs * cpusPrice) + (numberRAMs * ramsPrice);

    if (numberGPUs >= numberCPUs) {
        total = total * 0.85;
    }

    if (total <= peterBudget) {
        console.log(`You have ${(peterBudget - total).toFixed(2)} leva left!`);
    } else {
        console.log(`Not enough money! You need ${(total - peterBudget).toFixed(2)} leva more!`);
    }
}