Daisy's Dolls sold 30,000 dolls this year. Each doll sold for $40 and had a variable cost of $19. Fixed expenses were $250,000. Net operating income for the year is .Multiple choice question.$1,520,000$380,000$630,000 $(249,979)

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