The optimal amount of x1, x2, p1, p2 and income are given by the following: x subscript 1 equal fraction numerator 2 i over denominator 7 p subscript 1 end fraction space space space space space space space space space space x subscript 2 equal fraction numerator 5 i over denominator 7 p subscript 2 end fraction the original prices are: p1=32 p2=67 the original income is: i =6,319 the new price of p1 is the following: p1'=42 assume that the price of x1 has changed from p1 to p1'. what is the substitution effect?

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.