Phoenix Vally Lighting is preparing an invention management Plan for fluorescent bulbs. They have aforecasted denam of $11910$ bulbs per month and a MAD of $176$ bulbs Per month. The lew time to receive bulbs is one week aw they would like to have a $92\%$ Service level to woo turning away customers. Their ordering cost is $$477$ and their holding cost is $ $2$ per bulb $($ breakage$)$ per year.