Need Help with these 3 questions please

A company applies overhead using machine hours and shows the following information. Compute the variable overhead variance Actual hours of machine use 9,900 hours Standard hours of machine use (for actual production) 10,500 hours Actual variable overhead rate per machine hours $4.40 Standard variable overhead rate per machine hour $4.25 Multiple Choice $1,065F $2640U O $1,0650 S4,1250 $4,125F A company's flexible budget for 19,000 units of production showed sales, $87,400; variable costs, $43,700; and fixed costs, $24,000. The variable costs expected if the company produces and sells 24,000 units is: Multiple Choice $55,200. O $79,200 0 $43,700 $87,400 $111.400 A company's flexible budget for 13,100 units of production showed sales, $44,540; variable costs, $17,030: and fixed costs, $15,200. The income expected if the company produces and sells 17,100 units is: Multiple Choice 0 $25,851. $12,310. $20,710 $23,231 N $3,077