6. Jane's Juice Bar has the following cost schedules:
Quantity
Variable Cost
Total Cost
O vats of juice
1
2.
3
4
5
$ 0
10
25
45
70
100
135
$ 30
40
55
75
100
130
165
6
a. Calculate average variable cost, average total
cost, and marginal cost for each quantity.
b. Graph all three curves. What is the
relationship between the marginal-cost
curve and the average-total-cost curve?
Between the marginal-cost curve and the
average-variable-cost curve? Explain.

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.