Coldwell Pharma manufactures COVID kits for the US Govt. Demand varies with seasonal

illnesses and the quarterly ordering policies of hospitals. A worker can produce $2000$ kits a month at a cost

of $$7$ per kit during regular production hours. Inventory carrying costs are $$1$ per kit per month. Due to high

quality standards and extensive training, hiring and firing costs are $$1500$ per worker. They currently employ

$25$ workers. Given the demand forecast below, develop a six$-$month aggregate production plan using $($a$)$

level production strategy and $($b$)$ chase demand strategy.