Given the following data set:

Residents (# per 1000):

31 31 53 28 27 36 42 39 34 46

Deliveries:

103 103 86 57 32 131 157 20 27 161

Write the equation y= ax+ b using the linear regression best fitting line and estimate how many deliveries are estimated for a city with a population of 45 (45,000). Round to the nearestwhole number.

A. 115

B. 109

C. 113

D. 120