Last year Handorf-Zhu Inc. had $850 million of sales, and it had $425 million of fixed assets that were used at only 85% of capacity. What is the maximum sales growth rate the company could achieve before it had to increase its fixed assets?

a. 17.47%

b. 18.88%

c. 17.65%

d. 19.06%

e. 16.94%