Question $1$ Inventory

$1.$ A$.$ Raytheon inventory information is as follows:

o Beginning inventory $(1/1/19)$: $200$ units @ $$1\mathrm{.}00$

o Purchase of inventory $(1/14/19)$: $400$ units @ $$4\mathrm{.}00$

o Sale of inventory: $1/15/19$: $300$ units $1/16/19$: $250$ units

o Total Sales Revenue $=$ $$2,250$

Q$1.$ Using the information above, compute COGS, Ending Inventory and Gross Profit under FIFO, LIFO, and Weighted average: