Question

what do you mean by net National Product at market price? how will you estimate it on the basis of gross national product? ​

Answer 1

there are three method to reach net national product at market price. Methods are income method, expenditure method, value added method.
in income method
net domestic product at factor cost = c o e + operating surplus + mixed income
NDP at mp = NDP at fc + nit
NDP at mp + net factor income from abroad = net national product at market price