The starting salary for an analyst was $80,000. Her salary increased to $86,000 in the first year, $89,440 in the second year, $111,800 in the third, and decreased to $95,030 in the fourth.

a. Compute the arithmetic mean rate of increase.

%

Round to 2 decimal places

b. Calculate the geometric mean rate of increase.

%

Round to 2 decimal places

c. Which of the values is a better measure of the mean rate of increase?

(click to select)Arithmetic mean rateGeometric mean rate