On an average day, a company writes 49 checks worth a total of $7,950 that clear in 3.25 days. The company also collects 61 checks worth a total of $9,990 that clear in 2.75 days.

What is the company's average collection float?

a.7,950

b.17,940

c.9,990

d.25,838

e. 27,473