7. An MRP system is designed to deal with a. random demand. b. lumpy demand. c. constant demand. d. uncertain demand. Given the following MRP matrix for Item A, please answer the next 3 questions. 8. The planned order releases for period 1 would be. 9. The projected-on hand quantity at the end of period 3 would be. a. 0 b. 100 c. 400 d. 500 e. 10. The planned order releases for period 3 would be. a. 300 b. 200 c. 75 d. 0