Help please! 13 points! :) Kerry bought a pair of athletic shoes for $45. She also bought a pair of colorful shoelaces for the shoes for $4. What percent of the total amount that Kerry paid was the price of the shoelaces? Round to the nearest tenth of a percent, if necessary.
a. 8.2%
b. 8.9%
c. 9.8%
d. 11.3%