Mountain Country Inc. sells an Xpert skateboard that is popular with skateboard enthusiasts. The following information shows

Mountain Country's purchases and sales of Xpert skateboards during November:

Determine the cost of goods sold and ending inventory using $(1)$ FIFO and $(2)$ average cost, assuming Mountain Country uses a

perpetual inventory system. $($Round FIFO answers to $0$ decimal places, e$.$g$.5,275$ and Average cost answers to $2$ decimal places, e$.$g$.$

$5,275\mathrm{.}25.$ Do not round intermediate calculations.$)$