What are the correct answers for A, B, C and D please

please do alll the questions plz and ill leave a good review : )

Sheridan Company has fixed costs of $2300000 and variable costs are 20% of sales. What are the required sales if Sheridan desires net income of $400000 ? $13500000$11500000$3375000$2875000 When is it appropriate to use direct labor as a basis for assigning overhead costs to products? When the manufacturing process is highly automated. When the manufacturing process is complex. When direct labor constitutes a significant part of total product costs. When there is a low correlation between direct labor and changes in overhead costs. If a company sells multiple products, at any level of units sold, net income will be higher if weighted-average unit contribution margin decreases. more higher contribution margin units are sold than lower contribution margin units. more fixed expenses are incurred. more lower contribution margin units are sold than higher contribution margin units. The contribution margin is the amount of revenue remaining after deducting cost of goods sold. True False