a. Sales in April were $40,000. You forecast that monthly sales will increase 10% in May and 3% in June. b. Thumbtack Office Supply maintains inventory of $14,000 plus 30% of the sales revenues budgeted for the following month. Monthly purchases average 50% of sales revenue in that same month. Actual inventory on April 30 is $27,200. Sales budgeted for July are $60,000. C. Monthly salaries amount to $6,000. Sales commissions equal 12% of sales for that month. Combine salaries and commissions into a single figure. d. Other monthly expenses are as follows: Rent expense $3,800, paid as incurred Depreciation expense $600 Insurance expense.. $100, expiration of prepaid amount 20% of operating income Income tax --- Before completing the budgeted income statements, compute the budgeted cost of goods sold for May and June (Round your answers to the nearest whole dollar) May June Beginning inventory Purchases Cost of goods available for sale Ending inventory Cost of goods sold