Juan's demand function for ice cream cones is Q^dJuan =102.5P

at prices below $4.00 and zero at prices equal to or above$4.00

Emily's demand function for ice cream conesis Q^dEmily =61.5P

at prices below $4.00 and zero at prices equal to or above$4.00. If the market is comprised ofonly Juan and Emily, what is the market demand function?

A. Q = 10 - 1.5P.

B. Q = 16 + 4P.

C. Q = 16 - 4P.

D. Q = 4 - 16P.