please help chapter 3 budgetting

6. Which of the following 5 points statements is TRUE concerning controllability of costs? * O A) Fixed costs are controllable costs. B) Controllable costs are easy to identify with much accuracy. C) Senior managers rarely differ in their reliance on controllable costs for performance measurement. D) All costs are controllable, given a sufficiently long time period. E) Most costs are under the sole influence of any one manager. 00 O O 7. A variance is considered to 5 points be * O A) the gap between an actual result and a benchmark amount. 0 B) the required number of inputs for one standard output. 0 C) the difference between an actual result and a budget amount. D) the difference between a