Question $1$: How many units remain in ending inventory as of June $30$th$?$

Question $2$: Assume the company uses Specific Identification for inventory valuation. What will the company report as ending inventory on June $30$th$?$

Question $3$: Assume the company uses the Average$-$Cost $($Weighted$-$Average$)$ cost$-$flow assumption. What will the company report as ending inventory on June $30$th$?$

Question $4$: How do you know is the endering inventory is overstated, understated, or no impact?