What is the mean of the following set of data?

1. What is the mean of the following set of data? Round your answer to two decimal places. 

34, 56, 22, 49, 37, 20, 61, 48, 22

a. 38.78

b. 36.45

c. 39.67

d. 38.23

2.Find the mode of the following set of data.

$12.50, $13.23, $11.20, $14.50, $12.50, $13.23, $15.60, $15.75

a. $13.23

b. $12.50

c. $12.50 and $13.23

d. no mode