Arturo O. answered  04/14/20
Experienced Physics Teacher for Physics Tutoring
This is an example of exponential decrease. At the end of a year, it is worth only 0.92 times what it was worth at the start of the year. Keep this up for n years and the value at the end of n years is
V(n) = ($16,950) (0.92n)
Plug in n=4 to get you final answer.