What is the main incentive that encourages a person to open a new business, like a pet store?

The fun of playing with the animals

The law that says pets need stores

A pizza shop owner wants to make more profit. Which action would help her reach this goal?

Lowering her costs for supplies

Giving away free pizza slices to every single customer

Closing her shop for an extra day each week

Buying the most expensive cheese available

The profit made on each birdhouse will go up.

The total cost to make birdhouses will increase.

Fewer people will want to buy the birdhouses.

The price of each birdhouse must be lowered.