Diaz Lumber plans to sell the following quantity of BC Grade 1/2-inch plywood during the first four months of 20X8. January 220 sheets February 250 sheets March 200 sheets April 300 sheets Diaz pays $7 for each sheet of plywood and sells them for $12. At the beginning of January, Diaz plans to have 66 sheets of plywood on hand, and hopes to maintain an ending inventory equal to 30% of next month's sales. a. Prepare a sales budget for the first quarter of 20X8 for Diaz Lumber. b. Prepare a cost of goods sold budget for the first quarter of 20X8 for Diaz Lumber. c. Prepare a purchases budget for the first quarter of 20X8 for Diaz Lumber