Hi there please see picture that i attached. can you please explain the question and why the answer is that ?

thank you

Answer: (ir)0(v)0(vix),((ifin) Answar: ofither rentil] incorroct? understand cuz lefit side posty cash book should recelph right ? 6) Which of the following would not be a credit in the wages control account? Net pay Gross pay Answer: Net pay Employer's pension contributions Can you please explain what on the credit side what on Employer's social security contributions