Jin is opening his business. He financed the business by withdrawing money from his personal savings account. When he closed the account, the bank representative mentioned that he would have earned $1,000 in interest next year. If Jin hadn't opened his own business, he would have earned a salary of $80,000. In his first year, Jin's revenues were $95,000, and he spent $10,000 on materials and supplies. Which of the following statements is correct?
a. Jin's accounting profit is $95,000.
b. Jin's total explicit costs are $10,000.
c. Jin's total implicit costs are $80,000.
d. Jin's economic profit is $5,000.