t-statistic and regression model question. answer c and d using information from top picture. please write in detail. thank you

1. 125 points ) Consider the following regression model . WAGE = B + BEDU' + BEXPER + BEXPER + Hi where WAGE is the monthly wage measured by thousand dollars , EDUC is the edu Cation measured by years, and {` PEK is the experience measured by years .( c ) 15 points ) One student believes the turning point should be 20 years working expire- rience . Describe ( I ) how you can form a livpothesis test of above argument ( ii ) how you can transform the regression model so that you can use a t-statistic to test ( 1).( d ) (5, points ) After estimation , you have the following fitted regression model . WAGE - - 13.43 + 2.28 [DUC TUBBETTER _ Q.DIET PER` ( 2.12) |01. 14) (0. 01012) Test the null hypothesis that It' AGE' is linearly related to EXPER against the alternative that the relationship is quadratic