Examine the following typical corporate bond listing: A 5-column table with 1 row. Column 1 is labeled Bonds with entry N Y Tel 7 and one-fourth 33. Column 2 is labeled current yield with entry 6.9. Column 3 is labeled Volume with entry 18. Column 4 is labeled Close with entry 101 and three-fourths. Column 5 is labeled net change with entry negative startFraction 1 Over 8 EndFraction. In the name column, NYTel is the abbreviated name of the company (New York Telephone) issuing the bond. What does the number 7One-fourth represent? a. interest or coupon rate b. maturity date of the bond c. current yield of the bond d. the difference in price from the previous close