The editorial Harper modern classics holds the rights to One Hundred Years of Solitude by Gabriel Garcia Marquez. The editorial sells the book both in the US and Colombia. The demand for the book in the US is given by

Pus =364Qus

The demand for the book in Colombia is given by:

Pcol =244Qcol

If MC=4 and Harper cannot price discriminate, who many units should Harper produce (total in both markets) to maximize profit?

Answer Choices:

3.5

4.5

5.5

6.5

7.5