i will upvote

show work please

You have had a bank account for the past 10 years that has earned 2.5% simple interest per year. There has been no activity in the account except the interest earned. If at the end of the 10th year you have $100 in the account, how much did you start with 10 years ago? A) $75 C) $85 E) $95 B) $80 D) $90