QAI expenses

/**
 * Bidirectional Currency Conversion
 */
function onEdit(e) {
  const sheet = e.source.getActiveSheet();
  const range = e.range;
  const row = range.getRow();
  const col = range.getColumn();
  if (row < 3) return;
  const val = parseFloat(e.value);
  if (isNaN(val)) return;
  const RATE = 83.5;
  if (col === 4) { // INR Edited
    sheet.getRange(row, 5).setValue(val / RATE).setNumberFormat("$#,##0.00");
  } else if (col === 5) { // USD Edited
    sheet.getRange(row, 4).setValue(val * RATE).setNumberFormat("₹#,##0.00");
  }
}