A provides information needed to analyze the impact of volume changes on actual operating results. Select one: O a. Sales budget O b. Purchase budget. c. Flexible budget O d. Zero-based budgeting. Continuous budgeting: Select one: a. requires managers to estimate sales, production, and other operating data as though operations are being started for the first time. b. is often used as the starting point for estimating the selling and administrative expenses. c. is one of the most important elements of the budgeted balance sheet. d. maintains a twelve-month projection into the future. O O Prime costs comprise Select one: a. materials costs plus production overheads. b. production overheads plus materials costs plus direct labor costs. c. materials costs plus direct labor costs. O O d. direct labor costs plus production overheads