Calculate Net National Product at Factor Cost and private income

Calculate Net National Product at Factor Cost and private income from the following:

Net National Product at Factor Cost ($NN{{P}{PC}}$) = Wages and Salaries + Rent + Interest + Profits + Social Security Contributions by Employers - Net Factor Income Paid to Abroad = 600 + 200 + 300 + 300 +100 - 50 = 1500 - 50 = Rs 1450 arab .
Private income = $NN{{P}
{PC}}$ - Net Domestic Product at Factor Cost Accruing to Government + Transfer Payment by Government - Net Current Transfer to Abroad + National Debt Interest
= 1450-400 + 70-20+60 =1580-420 = Rs 1160 arab .