Question $12,$ Problem $12\mathrm{.}30$

HW Score: $27\mathrm{.}27\%,9$ of $33$ points

Part $2$ of $9$

Points: $0$ of $5$

Emarpy Appliance is a company that produces all kinds of major appliances. Bud Banis, the president of Emarpy, is concerned about the production policy for the company's best$-$selling refr The annual demand for this has been about $7,500$ units each year, and this demand has been constant throughout the year. The production capacity is $210$ units per day. Each time producti it costs the company $$130$ to move materials into place, reset the assembly line, and clean the equipment. The holding cost of a refrigerator is $$51$ per year. The current production plan calls refrigerators to be produced in each production run. Assume there are $250$ working days per year.

a$)$ What is the daily demand of this product? $30$ units $($enter your response as a whole number$).$

b$)$ If the company were to continue to produce $420$ units each time production starts, how many days would production continue? $$ days $($enter your response as a whole number$).$