this is a marketing question

[ads] Meghan is creating an ad campaign targeting college students. She is deciding between two school newspapers to display her ad. She wants to use the most efficient media vehicle. The Alligator costs $30 to display an ad and has an audience of 150k students/mo., 70% of which is in her target demographic. The other newspaper, UF Daily, charges $45 and has an Audience of 350K students/mo., 55% of which is her target demographic. Calculate the CPM and wCPM of the newspaper she should choose. CPM=$0.29;wCPM=$0.20CPM=$0.23;wCPM=$0.13CPM=$0.20;wCPM=$0.29CPM=$0.13;wCPM=$0.23CPM=$0.34;wCPM=$0.29