Each extra year of experience is associated with \2{,}000$more salary;$\hat{S}=$50{,}000$

Base salary is \2{,}000$;$\hat{S}=$32{,}000$

Each extra year adds \30{,}000$;$\hat{S}=$20{,}000$

Each extra year is associated with \2{,}000$more salary;$\hat{S}=$20{,}000$