Executive officers of Stoneham Company are wrestling with their budget for the next year. The following are two different sales estimates provided by two difference sources First Quarter Second Quarter Third Quarter Source of Estimate Sales manager Marketing consultant Fourth Quarter $225,000 $180,000 $160,000 $270,000 300,000 240,000 210,000 350,000 Stoneham's past experience indicates that cost of goods sold is about 60 percent of sales revenue. The company tries to maintain 10 percent of the next quarter's expected cost of goods sold as the current quarter's ending inventory. This year's ending inventory is 15,000. Next year's ending inventory is budgeted to be $18,000. Required a. Prepare an inventory purchases budget using the sales manager's estimate. b. Prepare an inventory purchases budget using the marketing consultant's estimate