Multiple choice question

What is the constant (Y intercept) for the following table (please show calculation):

a) 2419.35

b) -7677.42

c) 3571.43

d) 54534.56

then by using the best fitting line, what is the predicted income of someone with 14 years of education?

a) 41548.32

b) 26194.18

c) 33644.84

d) 33870.90