A major risk in using commercial paper for short-term financing is the inflexible repayment

If actual direct materials costs are greater than standard direct materials costs, it means that

a. the actual unit price of direct materials was greater than the standard unit price of direct materials. b. the purchasing agent or the production foreman is inefficient. c. actual costs were calculated incorrectly. d. the actual unit price of raw materials or the actual quantities of raw materials used was greater than the standard unit price or standard quantities of raw materials expected.

If it took 1000 hours to produce the first unit of a product, and the learning curve is 70%, how long will it take to produce units 26 through 50?

A) 12,307 hours B) 8,404 hours C) 134 hours D) 3,903 hours E) none of the above