SHOW YOUR COMPLETE SOLUTION. MUCH BETTER IF YOU'LL WRITE THE SOLUTION ON A PAPER. pre The Luna Corporation made the following materials purchased and issued during the month of January. Inventory: Receipts: Issuances: January 1 January 10 January 25 January 15 January 27 1,000 units 8,000 8,500 8,500 8,000 1. Periodic system a. FIFO method b. Weighted average method @ @ Required: The cost of materials used and the cost assigned to the inventory at end of the month using 2. Perpetual system a. FIFO method b. Moving average method P 11.00 12.00 11.50