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Matthew's Fish Fry has a monthly target operating income of $7,900. Variable expenses are 70% of sales and monthly fixed expenses are $1,290. What is the monthly margin of safety in dollars if the business achieves its operating income goal? O A. $21,443 B. $26,333 O C. $34,933 O D. $30,633 Slamburger's sells four cheeseburgers for every two regular hamburgers. A cheeseburger sells for $2.75 with a variable cost of $2.25. A regular hamburger sells for $2 with a variable cost of $0.50. What is the weighted average contribution margin? O A. $2.50 O B. $5.00 c. $0.83 O D. $1.05