A furniture store offers zero interest promotion (interest-free) on purchases over $1,000. You notice that you can buy a smart TV without any soon and at the end of the year your $4,000 bill expires. The competing furniture store offers an identical TV for $3,650 and no offer of credit terms. Which statement best describes the cost of "interest-free"? Select one:

to. 8.75%

b. 0%

c. 9.59%

d. 9.13%