Principal Howard ordered 116 shirts from the Brand Blast custom clothing shop for his staff members to wear during the school's spirit week. Since this was a bulk order, Brand Blast reduced the price of each shirt by $5. Principal Howard paid $928 in all. How much does Brand Blast normally charge for a shirt?

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