(1 point) Stereo Inc. sells a stereo system for $100 down and monthly payments of $90 for the next 3 years. If the interest rate is 2.75% per month, find a) The cost of the stereo. Answer- Hint: The answer is a dollar amount and should include a dollar sign and have exactly two decimal places. b) The total amount of interest paid. Answer- Hint: The answer is a dollar amount and should include a dollar sign and have exactly two decimal places