A flexible budget:a) Is designed to be adjusted at frequent intervals for changes in the general price level. b) Consists of estimates of costs and expenses for various possible levels of activity. c) Cannot be prepared when a standard cost system is in use. d) Is better suited for use with a job cost system than a standard cost system.

Schonhardt corporation's relevant range of activity is 2,500 units to 5,500 units. when it produces and sells 4,000 units, its average costs per unit are as follows: averagecost per unitdirect materials $ 7.60direct labor $ 2.90variable manufacturing overhead $ 1.65fixed manufacturing overhead $ 2.90fixed selling expense $ 0.95fixed administrative expense $ 0.65sales commissions $ 0.75variable administrative expense $ 0.65if 4,500 units are produced, the total amount of fixed manufacturing cost incurred is closest to: multiple choicea $16,800b $11,400c $11,600d $15,400