Vinnie is looking for an apartment in Dayton,Ohio.In Dayton,75% of the two bedroom,one bath apartments are $800 a month and 25% are $600.The marginal cost of his search increases by $15 per search,i.e. ,the marginal cost of looking at the first apartment is $15,the marginal cost of looking at the second apartment is $30,the marginal cost of looking at the third apartment is $45 and so on.
The marginal cost of looking at the fourth apartments is

Question

Quizplus · Accepted Answer

The marginal cost of looking at the fourth apartment is $60, as it increases by $15 for each subsequent search.

Vinnie Is Looking for an Apartment in Dayton,Ohio