The four laws of liquid pressure

1) liquid exerts pressure on the wall of container.

2) pressure force increases as the depth of liquid increases.

3) pressure force will be same at all points inside the liquid at equal depth.

maria has a savings account that is earning simple interest. if she started with $200 in the account and has earned a total of $8 in interest in two years, what is the rate of the account? use the formula  .