Hiro owns and operates a small business that provides economic consulting services. During the year he spends $\$ 57,000$ on travel to clients and other expenses. In addition, he owns a computer that he uses for business. If he didn't use the computer, he could sell it and earn yearly interest of $\$ 100$ on the money created through this sale. Hiro's total revenue for the year is $\$ 100,000$. Instead of working as a consultant for the year, he could teach economics at a small local college and make a salary of $\$ 50,000$.
a. What is Hiro's accounting profit?
b. What is Hiro's economic profit?
c. Should Hiro continue working as a consultant, or should he teach economics instead?