Review of the financial statements revealed the following for Cullumber Inc.: sales $1256000, net income $43700, total assets $653120, long-term debt $761000, interest expense $65312 and cost of goods sold $781000. When preparing common-size financial statements, interest expense would be shown as

a) 10.0%

b) 9.2%.

c) 8.4%.

d) 5.2%.