Malibu Corporation has monthly fixed costs of $68,000. It sells two products for which it has provided the following information. 20 a. What total monthly sales revenue is required to break even if the relative sales mix is 30 percent for Product 1 and 70 percent for Product 2? (Round your answer to the nearest dollar amount) b. What total monthly s required to earn a monthly operating income of $16,000 if the relative sales mix is 20 percent for Product 1 and 80 percent for Product 2? (Round your answer to the nearest dollar amount.)