Exercise 6-1 Sheffield Sports sells volleyball kits that it purchases from a sports equipment distributor. The following static budget based on sales of 2,000 kits was prepared for the year. Fixed operating expenses account for 80% of total operating expenses at this level of sales. Sales Revenue $ 100,280 Cost of goods sold (all variable) 60,100 Gross margin 40,180 Operating expenses 35,170 Operating income $ 5,010 Prepare a flexible budget based on sales of 1,494, 2,690, and 3,870 units. (Round unit values to 2 decimal places e.g. 15.25 and all other answers to 0 decimal places, e.g. 145. If operating income is negative, enter amounts using a negative sign preceding the number e.g. -45 or parentheses e.g. (45).)