Which of the following is an accurate way to describe growth rate

a.) A company's growth rate is an indicator of company sustainability and can be helpful to predict future performance.

b.) In most cases, the growth rate is an indicator of company sustainability and can be helpful to predict future performance.

c.) It is used to display trends of a company's revenue or investment performance and shows how it will continue to perform going forward.

d.) The annual growth rate can be calculated by dividing current value by the previous value. The traditional formula uses current value as a base.