Jilis Job Shop buys two parts (Tegdiws and Widgets) for use in its production system from two different suppliers. The parts are needed throughout the entire 52 -week year. Tegdiws are used at a relatively constant rate and are ordered whenever the remaining quantity drops to the reorder level. Widgets are ordered from a supplier who stops by every five weeks. Data for both products are as follows: a. What is the inventory control system for Tegdiws? (Round your answers to the nearest whole number.) b. What is the inventory control system for Widgets? (Round your answer to the nearest whole number.)