Calculate the declining balance depreciation amounts as follows:

a$.$ In cell $C19,$ enter a formula using the DB function to calculate the declining balance depreciation for the hardware during the first year of operation.

b$.$ Use Year $1($cell C$18)$ as the current period.

c$.$ Use absolute references only for the cost, salvage, and life arguments in the DB formula.

d$.$ Fill the range D$19$:H$19$ with the formula in cell C$19$ to calculate the annual and cumulative declining balance depreciation in Years $2-6.$