On a demand curve, demand is more elastic

Vaccination against a disease helps in preventing the spread of the disease. Which of the following can help in increasing the number of people vaccinated to the socially optimal level?

A) A corrective tax B) An income tax C) A life insurance D) A health tax

An individual decides to rent an apartment for $7,000 per month. The commuting time from this apartment to his office is 80 hours per month

If the individual's opportunity cost of time is $30 per hour, calculate the direct cost, indirect cost, and total cost per month she would incur if she rents the apartment.