16. An increase in the level of activity will have the following effects on unit costs for variable and fixed costs: 17. What is the primary difference between a static budget and a flexible budget? a. The static budget includes only fixed costs while the flexible budget includes only variable costs. b. The static budget is prepared for a single level of activity while a flexible budget is adjusted for different activity levels. c. The static budget is constructed using input from only upper level management while a flexible budget obtains input from all levels of management. d. The static budget is prepared only for units produced while a flexible budget reflects the number of units sold. 18. Sheridan Company's budgeted manufacturing costs for 60000 squares of shingles are: Fixed manufacturing costs $12,000 Variable manufacturing costs $16 per square Sheridan produced 45000 squares of shingles during March. How much are budgeted total manufacturing costs in March? a. $972000 b. $720000 c. $732000 d. $960000 :ar