The following is designed as a repeating subform with new row instances
added via an Add button.I need each Cumulative Payment field (on each
row) to auto-calculate based on either:1. the "current" and "all
previous" payment amounts (i.e. cumulative payment 3 ($1,800) = sum of
payments 1, 2, and 3)or2. the previous cumulative payment + current
payment (i.e. cumulative payment 3 ($1,800) = cumulative payment 2
($1,100) + payment 3 ($700)Period Payment Cumulative Payment 1. 500 500
2. 600 1,100 3....