The following information relates to Matilda$$s T$-$Shirts Ltd Pty tee$-$shirt inventory during December $2023$:

Quantity Cost per unit Total cost

Inventory $1$st December $80$ $$9\mathrm{.}00$ $$720$

Purchase $1120$ $$9\mathrm{.}50$ $$1,140$

Purchase $2120$ $$10\mathrm{.}50$ $$1,260$

Total Inventory available for sale $320$ $$3,120$

During the month, the company sold $280$ tee$-$shirts at $$20$ each

Required

What are the amounts of Sales, Cost of Goods Sold, Profit and Ending Inventory from selling tee$-$shirts under First In First Out $($FIFO$)$ and Weighted Average $($WA$)$ methods for December $2023?$