#Scenario $18$:

Inventory Valuation $-$ FIFO vs$.$ LIFO:

A company has inventory purchases as follows:

January $1$: $100$ units at $$10$ each

January $10$: $150$ units at $$12$ each

January $20$: $200$ units at $$15$ each

Calculate the cost of goods sold and ending inventory using both FIFO and LIFO methods.