Brainliest + 20 Points! Need urgent help!

Use the simple interest formula, I = prt, to find the simple interest:

Julia invested $4,000 in a mutual fund with the simple interest rate of 3.5% per year. How much interest would she earn after 2 years?

A.
$140

B.
$280

C.
$1,400

D.
$2,800