A company values its inventory using the weighted average cost (AVCO) method. The details below are given for one inventory item. February 1: Opening balance, $20$ units at $4$ each February 14: Bought, $40$ units at $5$ each April 1: Bought, $40$ units at $8$ each May 22: Issued, $55$ units What was the overall cost of the units that were issued?
- A$255$
- B$270$
- C$330$
- D$345$