Jill's 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 four weeks. Data for both products are as follows:

$\backslash$table$[[$ITEM$,$TEGDIW,WIDGET,,$],[$Annual demand,,$10,000,,,5,000,],[$Holding cost of item cost