Calculate simple earnings with compounded interest (margins)

calcCompoundedInterest.js

const MAX_PERIODS = 52
const MARGIN_PER_PERIOD = 0.05

function calc(v, t) {
    console.log(v)
    if (t === 0) return v;
    const n = (v * MARGIN_PER_PERIOD) + v
    return calc(n, --t)
}

calc(5000, MAX_PERIODS)