One unit of component C is required to manufacture products A and B. The lead time for C is 1 week, the safety stock is 0, the lot size is 10 units, the on-hand balance of C at the start of week 1 is 15 units, and a scheduled receipt of 10 units of C is due in week 1. Complete the MRP record for component C for the 6 periods, and determine the planned orders, inventory balance, and average inventory level.