In some instances, accounting principles require a departure from valuing inventories at cost alone. Determine the proper unit inventory price in the following cases.

 

Cases

 

1

2

3

4

5

Cost

$15.90

$16.10

$15.90

$15.90

$15.90

Net   realizable value

14.5

19.2

15.2

10.4

16.4

Net   realizable value less normal profit

12.8

17.6

13.75

8.8

14.8

Market   (replacement cost)

14.8

17.2

12.8

9.7

16.8