Calculate the Moving$-$average cost per unit at January $1,5,8,10,15,16,20,$ & $25.($Round moving$-$average cost per unit answers to $3$

decimal places, e$.$g$.5\mathrm{.}251.)$

For each of the following cost flow assumptions, calculate cost of goods sold, ending inventory, and gross profit. $(1)$ LIFO. $(2)$ FIFO.

$(3)$ Moving$-$average cost. $($Round average$-$cost per unit to $3$ decimal places, eg$.12\mathrm{.}502$ and final answer to $0$ decimal places, e$.$g$.1,250.)$