he operation manager of EasyCool Co$.,$ a manufacturer of air conditioners, isnow scheduling the production plan for the next four months. They will incur aninventory cost for each unsold air conditioner at the end of every month. Thecompany now has $150$ air conditioners available and is required to hold at least $80$ air conditioners at the end of month $4.$ Information for the next four monthsis given as follows