bernie is making monthly payments of $300 for a computer coding course that costs $2,500. he doesn’t need to pay any interest on the cost of the course. he started with $200 in his bank account. he plans to add $100 to his savings account every month. how many months will it take bernie to pay off the total cost of the course using his savings? a. 3.75 months b. 4.75 months c. 5.75 months d. 6.75 months e. 7.75 months