A new popular midsize car has a retail price of $25,000. The midsize car's value M(t) is given by the exponential model M(t)= 25,000 (4/5)^t where t represents the time in years. Identify the domain, in yearly intervals, that contains all the years the car's value is less than $1,000. [13, ∞)
[14, ∞)
[15, ∞)
[16, ∞)