Could you please help me with filling the four blanks of flexible budget, thank you!

Blaze Corp. applies overhead on the basis of direct labor hours. For the month of March, the company planned production of 9,600 units ( 80% of its production capacity of 12,000 units) and prepared the following budget. During March, the company operated at 90% capacity (10,800 units), and it incurred the following actual overhead costs. 1. Compute the overhead controllable variance. 2. Compute the overhead volume variance. 3. Prepare an overhead variance report at the actual activity level of 9,000 units. Prepare an overhead variance report at the actual activity level of 9,000 units. Classify as favorable or unfavorable. (Indicate the effect of each variance by selecting for favorable, unfavorable, and no variance. Do not round intermediate calculations.)