Crane Co$.$ began operations on July $1.$ It uses a perpetual inventory system. During July, the company had the following purchases and

sales. Calculate the average cost per unit at July $1,6,11,14,21$&$27.($Round intermediate calculations to $0$ decimal places and final answers

to $3$ decimal places, e$.$g$.$ $$105\mathrm{.}501.)$ Determine the ending inventory under a perpetual inventory system using $(1)$ FIFO, $(2)$ moving$-$average cost, and $(3)$ LIFO. $($Round

average$-$cost per unit to $3$ decimal places, e$.$g$.12\mathrm{.}520$ and final answer to $0$ decimal places, e$.$g$.1,250.)$