The following transactions for the month of March have been journalized and posted to the proper accounts. Mar. 1 The business received $7,000 cash and issued common stock to stockholders. Mar. 2 Paid the first month's rent of $500. Mar. 3 Purchased equipment by paying $2,000 cash and executing a note payable for $6,000. Mar. 4 Purchased office supplies for $700 cash. Mar. 5 Billed a client for $12,000 of design services completed. Mar. 6 Received $9,000 on account for the services previously recorded. What is the balance in Accounts Receivable

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."