Levine Inc., which produces a single product, has prepared the following standard cost sheet for one unit of the product. Direct materials (6 pounds at $1.50 per pound) $9.00 Direct labor (1 hours at $10.00 per hour) $10.00 During the month of April, the company manufactures 150 units and incurs the following actual costs. Direct materials purchased and used (1,500 pounds) $2,400 Direct labor (160 hours) $1,584 Compute the total, price, and quantity variances for materials and labor.

Martha is one producer in the perfectly competitive jelly industry. last year, martha and all of her competitors found themselves earning economic profits. if there is free entry and exit, what do you expect to happen to the number of suppliers in the industry and the price of jelly? the number of suppliers will increase, and the price of jelly will fall. the number of suppliers will decrease, and the price of jelly will increase. the number of suppliers will increase, and the price of jelly will increase. the number of suppliers will decrease, and the price of jelly will fall.

As more people migrated west during the gold rush, what do you think happened to the demand curve in most western markets, holding all else constant? a. there was no shift, nor any increase or decrease in quantity demanded. b. there was no shift, but there was a decrease in quantity demanded. c. the demand curve shifted to the left. d. the demand curve shifted to the right. e. there was no shift, but there was an increase in quantity demanded.

Which of the following is considered part of a country’s infrastructure?