During the year ended December 31, 2025, Bjornstad Corporation had the following results: net sales \(\$ 267,000\), cost of goods sold \(\$ 107,000\), net income \(\$ 92,400\), operating expenses \(\$ 55,400\), and net cash provided by operating activities \(\$ 108,950\). What was the company's profit margin?

a. \(40 \%\).

b. \(60 \%\).

c. \(20.5 \%\).

d. \(34.6 \%\).