The development of the operating budget is complete when: the sales forecast for next year is complete. the budgeted cash flow statement is complete. the budgeted income statement is complete. the budgeted balance sheet is complete. Solution Answer: D. Operating budget is related with the operation results for the year. So it will show Income and its financial position. Thus, Budget must show the budgeted Balance sheet and Income statement. Hence Budget is finished when budgeted Balance sheet is complete..