Performance · medium

22. Memoization-friendly totals

Write a pure function suitable for useMemo.

Write `computeTotal(txs)` summing `amount` fields, structured so it can be dropped straight into `useMemo(() => computeTotal(txs), [txs])`.

Required in your answer: .reduce(

Transpiled, then run in a sandbox

function computeTotal(txs) {
  // TODO
}

Output appears here.