Perpetual Inventory Using Weighted Average

Beginning inventory, purchases, and sales for WCS$12$ are as follows:

Oct. $1$ Inventory $320$ units at $$11$

$13$ Sale $150$ units

$22$ Purchase $330$ units at $$14$

$29$ Sale $300$ units

a$.$ Assuming a perpetual inventory system and using the weighted average method, determine the weighted average unit cost after the October $22$ purchase. Round your answer to two decimal places