An outbreak of a new disease began on a local chicken farm. The total number of infected chicken can he modeled by the function C(t) = 2(3)', where t is time in days. A vaccine is ordered, but won't arrive for a few days. The total number of vaccinated chickens can he modeled by the function V(t) = 500t - 1000, t > 3, where t is time in days. On what day will the number of infected chickens equal the number of vaccinated chickens?