The annual revenue R (in millions of dollars) of OPet Foods since its inception can be modeled by R(t) = -0.0042 +4 + 0.085 +3 -0.16 t2-0.65 t + 3.4 where I is the number of years since the store opened. In what year was the revenue first greater than $3.9 million? Round your answer to 1 decimal place. After Number years. Estimate from the graph of R(t) when OPet Foods had its lowest revenue over the first five years of existence. Round your answer to three decimal places.