The Johnson family buys a new furnace and air conditioner unit for $5000.00. The purchase is made with a credit card that has a 12% APR. The Johnsons make a $250.00 monthly payment. How many months will it take to pay off the credit card balance? Enter your answer as a whole number, such as: 40.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality