Inventory records for Capetown, Incorporated revealed the following:

Date Transaction Number of Units Unit Cost

April $1$ Beginning Inventory $500$ $ $2\mathrm{.}40$

April $20$ Purchase $4002\mathrm{.}50$

Capetown sold $700$ units of inventory during the month. What is the amount of ending inventory assuming weighted$-$average cost? $($Round weighted$-$average unit cost to $4$ decimals and round your final answer to the nearest whole dollar.$)$

Multiple Choice

$$502$

$$480$

$$489$

$$490$