Answer: Net cash flow for April =$260
Receipts amount for May =$945
Cumulative balance amount for March= $55
Explanation:
We know that, Net cash flow = Receipt - Expenses
⇒ Net cash flow for April =

∴ Net cash flow for April =$260
Also for May, Receipts amount = Expenses+Net cash flow
⇒ Receipts amount for May =

∴ Receipts amount for May =$945
We know that the cumulative balance is the sum of the net cash flow.
Therefore, for March, Cumulative balance amount =Cumulative amount for April-Net cash flow for April
⇒ Cumulative balance amount for March=

∴ Cumulative balance amount for March= $55