Based on the regression equation, what is the price that maximizes earnings and the maximum earnings amount? Round to whole dollars.
A
The maximum earnings are 84 dollars comma 851 point 7 1 when the price is 30 dollars.B
The maximum earnings are 84 dollars comma 851 point 7 1 when the price is 33 point 8 2 dollars.C
The maximum earnings are 86 point 5 6 dollars when the price is 35 dollars.D
The maximum earnings are 86 point 5 6 dollars when the price is 33 point 8 2 dollars.