estion 20 in multiproduct situations, when sales mix shifts toward the product with the lowest contribution margin then total contribution margin will increase interest cost will decrease total revenues will increase operating income will decrease stion 23 When there is an excess capacity, it makes sense to accept a one-time-only special order for less than the current selling price if additional fixed costs is incurred to accommodate the order e the company placing the order is in the same market segment as your current customers e incremental revenue equals incremental operating income incremental revenues exceed incremental costs uestion 29 A company is considering adding a fourth product to use available capacity A relevant factor to consider is that fixed costs can now be alocated over four products rather than only three 1 points True Teun