The plot above in the dGdGd, G-plane was created by a winemaker measuring the growth rate, GGG, in milligrams per day (\text{mg/day})(mg/day)left parenthesis, start text, m, g, slash, d, a, y, end text, right parenthesis of grapes ddd days after budding. The winemaker plans on harvesting the grapes when the growth rate reaches 000. How many days after the growth rate reaches a maximum does the winemaker plan on harvesting the grapes?