33. Reliable Manufacturing wants to sell a sufficient quantity of products to earn a profit of $100,000. If the unit sales price is $10, unit variable cost is $8, and total fixed costs are $200,000, how many units must be sold to earn income of $100,000? 34. Lansbury Manufacturing produces hair brushes. The selling price is $20 per unit and the variable costs are $8 per brush. Fixed costs per month are $4,800. If Lansbury sells 30 more units beyond breakeven, how much does profit increase as a result