Hanson Inc. has the following direct materials standard to manufacture one Zippy: 1.5 pounds per Zippy at $4.00 per pound Last week, 1,700 pounds of materials were purchased and used to make 1,000 Zippies. The materials cost a total of $6,630. How much material should have been used to make 1,000 zippies?

A. 1,000 pounds

B. 1,200 pounds

C. 1,500 pounds

D. 1,700 pounds