Need Help with D & E, Please show work, thank you

Exercise D: Net Income Planning (6pts) The selling price at Nora's Company is $30 per unit. The variable costs per unit is $18, and the total fixed costs are $105,000. How many units of product will be sold if the Company wants to have a net income before taxes of: $25,000? $32,000? Exercise E: Break-Even with Multiple Products (4pts) Buffer Inc. has $118,000 of total fixed costs and sells products A and B with a product mix of 35% A and 65% B. Selling prices and variable costs for A and B result in contribution margins per unit of $12 and $8, respectively. Compute the break-even point in units