The value of a new car depreciates over time. Greg purchased a new car in June 2011. The value, V, of his car after / years can be modeled by the equation log₀.₉ ( V/17000 )=t.
What is the average decreasing rate of change per year of the value of the car from June 2012 to June 2014, to the nearest ten dollars per year?
a. 1960
b. 2180
c. 2450
d. 2770