Microeconomics test 1 study guide chapter 1 1. define economics 2. define the scarcity principle 3. define the cost-benefit principle 4. janie must choose to either mow the lawn or wash clothes. if she mows the lawn, she will earn $30, and if she washes clothes, she will earn $45. she dislikes both tasks equally and they both take the same amount of time. janie will therefore choose to because it generates a economic surplus.

Waterway company’s record of transactions for the month of april was as follows. purchases sales april 1 (balance on hand) 672 @ $6.00 april 3 560 @ $11.00 4 1,680 @ 6.08 9 1,568 @ 11.00 8 896 @ 6.41 11 672 @ 12.00 13 1,344 @ 6.51 23 1,344 @ 12.00 21 784 @ 6.61 27 1,008 @ 13.00 29 560 @ 6.79 5,152 5,936 (a) calculate average-cost per unit. (b) assuming that periodic inventory records are kept in units only, compute the inventory at april 30 using lifo and average-cost. (c) assuming that perpetual inventory records are kept in dollars, determine the inventory using (1) fifo and (2) lifo. (d) compute cost of goods sold assuming periodic inventory procedures and inventory priced at fifo.