The value of almost everything you own (assets), such as a car, computer, or house, depreciates (goes down) over time. when an asset’s value decreases by a fixed amount each year, the depreciation is called straight-line depreciation. suppose your truck has an initial value of $12,400 and depreciates $820 per year. what two variables are involved in this problem? which variable can best be designated as the dependent variable? as the independent variable? a. independent variable - amount of depreciation per year; dependent variable - number of years you own the truck. b. independent variable - value of the truck; dependent variable - amount of depreciation per year. c. independent variable - number of years you own the truck; dependent variable - value of the truck. d. independent variable - value of the truck; dependent variable - number of years you own the truck.