Perisia, Inc. has fixed costs of $200,000 and a contribution margin ratio of 40%. How much sales revenue must be earned for a profit of $50,000? $125,000 $500,000 $625,000 $1,000,000 Please show your work and your answer (A, B, C, or D). Boose Corp has fixed costs of $500,000 and a contribution margin ratio of 25%. Currently, sales are $3,000,000. What is Boose's margin of safety? $1,000,000 $2,000,000 $3,000,000 $4,000,000 Please show your work and your answer (A, B, C, or D)