How to solve

A company has the following:

Dec. $1$ Beginning inventory $15$ units at $$60$

Dec. $5$ Purchases $90$ units at $$56$

Dec. $14$ Sale $60$ units

Dec. $21$ Purchases $45$ units at $$58$

Dec. $30$ Sale $42$ units

Assuming that a perpetual inventory system is used, what is the ending on a LIFO basis for December?

$$2,748$

$$5\mathrm{.}796$

$$2,574$

$$2,754$

$$2,772$

A company has the following:

Dec. $1$ Beginning inventory $15$ units at $$60$

Dec. $5$ Purchases $90$ units at $$56$

Dec. $14$ Sale $60$ units

Dec. $21$ Purchases $45$ units at $$58$

Dec. $30$ Sale $42$ units

Assuming that a perpetual inventory system is used, what is the ending on a LIFO basis for December?

$$2,748$

$$5\mathrm{.}796$

$$2,574$

$$2,754$

$$2,772$