A firm has estimated the 2-month cash budget below. What is the cash surplus or deficit for these two months? (Enter your answers in millions of dollars. Negative amounts should be indicated by a minus sign.) ($ in millions) MAR APR Sales 140.0 150.0 Cash collection 110.0 110.0 Total cash disbursement 120.0 109.0 Net cash flow −10.0 1.0 Cumulative net cash flow −2.0 Minimum cash balance 10.0 10.0 Cash surplus or deficit.