Charu works as a salesperson for an Internet company. She receives a weekly base salary plus 15% of her weekly sales. Last week she earned $390 from sales. This can be represented by this equation, where m represents Charu's Internet sales for the week. 0.15m = 390

What was the amount of Charu's sales last week?

A.
$2,600.00
B.
$3,750.00
C.
$5,850.00
D.
$9,100.00