Coverall Carpets Inc. is planning to borrow $12,000 from the bank. The bank offers the choice of a 12 percent discount interest loan or a 10.19 percent add-on, one-year installment loan, payable in 4 equal quarterly payments. What is the approximate (nominal) rate of interest on the 10.19 percent add-on loan?
a. 5.10%
b. 10.19%
c. 12.00%
d. 20.38%
e. 30.57%