Crest Products expects the following sales of Its single product: Required: Crest has an ending finished goods Inventory policy of 30% of the next month's sales needs. September 1 Inventory is projected to be 6,400 unlts. Each finlshed unlt requires 2 units of Component X and 3 units of Component Z. August 1 materlals inventory Includes 5,000 units of Component X and 143,000 units of Component Z. Crest desires to malntain a Component X Inventory equal to 10% of next month's production needs and a Component Z Inventory equal to 20% of next month's production needs. a. Prepare a production budget for Crest for the quarter ending December 31. b. Prepare a direct materlals purchases budget for Component Z for quarter ending December 31. Assume a desired ending Inventory for Component Z of 12,000 units at December 31, and a constant unit cost of $4 per lb