I'd really appreciate it if you could answer 9,10, &12. thanks!!

9. In a NWA corporation, maintenance is a variable overhead cost that is based on machine- hours. The performance report for June showed that actual maintenance costs totaled $9,600 and that the associated rate variance was $400 unfavorable. If 8,000 machine- hours were actually worked during June, the standard maintenance cost per machine- hour was: A. $1.30 per MH B. $1.25 per MH C. $1.20 per MH D. $1.15 per MH 10. Hoppy Corporation compares monthly operating results to a static budget prepared at the beginning of the month. When the actual level of activity is less than budgeted, which of the following would be true? A. Variable costs would show favorable variances. B. Variable costs would show unfavorable variances C. Fixed costs would show favorable variances D. Fixed costs would show unfavorable variances 11. Which is the first budget you must create to make a Master Budaet? a. Production Budget bCash Budget c. Sales Budget d. Manufacturing Overhead Budget budget. And can be broken into two 12. Spending Variances are found between the different variances the & variances a. Flexible & Actual; Cost & Quantity b. Flexible & Actual: Price & Quantity c. Flexible & Planned: Cost & Quantity d. Flexible & Planned; Price & Quantity