question_answer

Answer the question based on the given information. Production pattern for number of units (in cubic feet) per day

Day	1	2	3	4	5	6	7
Number of units	150	180	120	250	160	120	150

For a truck that can carry 2000 cubic feet, hiring cost per day is Rs.1000. Storing cost per cubic feet is Rs.5 per day. If the storage cost is reduced to Rs.0.8 per cubic feet per day, then on which day/days, the truck should be hired?

A)  4th                    

B)  7th            

C)  4th and 7th     

D)  None of these