A company had the following purchases and sales during its first year of operations:

Purchases Sales

January: $22$ units at $$18014$ units

February: $32$ units at $$18512$ units

May: $27$ units at $$19016$ units

September: $24$ units at $$19515$ units

November: $22$ units at $$20028$ units

On December $31,$ there were $42$ units remaining in ending inventory. Using the Perpetual LIFO inventory valuation method, what is the cost of the ending inventory? $($Assume all sales were made on the last day of the month.$)$

Question $32$ options:

$$7,815.$

$$9,315.$

$$9,839.$

$$9,387.$

$$14,445.$