Calculate Money in Leetcode Bank LeetCode solution in JavaScript

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var totalMoney = function (n) {
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  let min = 1;
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  let days = 7;
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  let total = 0;
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  let inc = 1;
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  for (let i = 0; i < n; i++) {
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    if (days !== 0) {
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      total += min;
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      min++;
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      days--;
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    } else {
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      inc++;
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      min = inc;
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      days = 7;
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      i--;
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    }
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  }
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  return total;
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};