Sampson Lighting is faced with a decline in demand due to the downsizing of its major customer. Lindsey Rhodes, the company's controller, is considering a number of changes which may affect the company's profitability. Explain how Sampson Lighting's break-even point would change if:

The selling price per unit decrease.

Fixed costs increased throughout the entire range of activity.

Sales people were now compensated on 75% commission and 25% salary and opposed to 75% salary and 25% commission as they were prior.