$365$

$10.$ Calculate the value of the equipment as it depreciates each year as follows:

a$.$ In cell E$5,$ calculate the difference between the value in cell E$4$ and the depreciation of the sheet metal press in the first month of use using the DB function. Use cells $$B$$$4,$$$B$$$5,$ and $B$$6$ for the Cost, Salvage, and Life arguments and use cell D$5$ for the Period argument.

b$.$ Use AutoFill to fill the formula in cell E$5$ through the range E$6$:E$40.$ Fill the formulas without formatting.