20. ABC Grocery needs to know the pounds of bananas to have on hand each day. Each pound of bananas costs $0.25 and can be sold for $o.40. Unsold bananas are worthless at the end of the day. The following demands were found aft er st udying the last six mo nths' sales: 200 pounds of bananas one-fourth of the time 300 pounds of banan as one-half of the time 400 pounds of bananas one-fourth of the time equired: Determine whether ABC Grocery should order 200, 300, or 400 pounds of bana nas