please answer this by 3pm

PROBLEM 4 Roberta Company, which allocates overhead to production on the basis of machine hours, reported the following data for the period just ended: Actual units produced: 12,000 Actual variable overhead incurred: $77,770 Actual machine hours worked: 18,800 Standard variable overhead cost per machine hour: $4.50 Robert estimates that it takes 1.5 hours to manufacture a completed unit. Compute all standards & variances. Show all computations. Prepare all journal entries using standard costing. Hint: You must compute over or underallocated VOH