Computations involving different cost-flow assumptions. Sun Health Food’s purchases of vitamins during 2008, its first year of operations, were as follows: Quantity Cost per Unit Total Cost January 5...

Computations involving different cost-flow assumptions. Sun Health Food’s purchases of vitamins during 2008, its first year of operations, were as follows: Quantity Cost per Unit Total Cost January 5 Purchase . . . . . . . . . . . . . . . . . 460 $4.30 $ 1,978 April 16 Purchase . . . . . . . . . . . . . . . . . . 670 4.20 2,814 Quantity Cost per Unit Total Cost August 26 Purchase . . . . . . . . . . . . . . . . . 500 4.16 2,080 November 13 Purchase . . . . . . . . . . . . . . . 870 4.10 3,567 Totals. . . . . . . . . . . . . . . . . . . . . . . . . 2,500 $10,439 The inventory on December 31, 2008, was 420 units. Compute the cost of the inventory on December 31, 2008, and the cost of goods sold for 2008 under each of the following cost-flow assumptions: a. FIFO. b. Weighted average. c. LIFO.