totalTransferAmount function

double? totalTransferAmount(
  1. double? charges,
  2. double? vat,
  3. double? amount
)

Implementation

double? totalTransferAmount(
  double? charges,
  double? vat,
  double? amount,
) {
  /// MODIFY CODE ONLY BELOW THIS LINE

  var fAmt = (charges ?? 0) + (vat ?? 0) + (amount ?? 0);
  if (fAmt < 0.0) {
    fAmt = 0.0;
  }
  return fAmt;
}