Net cash flow is given by gross cash flow minus the expenses
Spreadsheet 1:
Gross cash flow (cash inflow) = $2350
Cash outflow (expenses) = 2335
Net cash flow = 2350 - 2335 = $15
Spreadsheet 2:
Gross cash flow (cash inflow) = $2270
Cash outflow (expenses) = $2260
Net cash flow = 2270 - 2260 = $10
Spreadsheet 3:
Gross cash flow (cash inflow) = $2380
Cash outflow (expenses) = $2380
Net cash flow = 2380 - 2380 = 0
Spreadsheet 4:
Gross cash flow (cash inflow) = $2150
Cash outflow (expenses) = $2055
Net cash flow = 2150 - 2055 = $100
Answer: Spreadsheet 4