Table 6-2 0 January 1 inventory balance 100 units at $10 per unit March 2 purchase 50 units at $11 per unit April 10 sale 100 units July 8 purchase 80 units at $10 per unit October 12 sale 80 units November 15 purchase 30 units at $12 per unit December 31 inventory balance 80 units Referring to Table 6-2, assuming all goods are sold throughout the year for $19 per unit, gross profit calculated under the periodic LIFO method would be: Select one: a. $1,620 b. $1,510 c. $1,260 d. $1,570 Referring to Table 6-2, ending inventory calculated under the perpetual LIFO method would be: Select one: a. $800 b. $960 c. $880 d. $860 Referring to Table 62,ending inventory calculated under the perpetual FIFO method would be Select one: a. $880 b.$960 c. $860 d.$800