# Question: for the economy of lower volta the mpn is given...

###### Question details

For the economy of Lower Volta, the *MPN* is given by
*MPN = 400 - 0.2N* where *N* is aggregate employment.
The aggregate quantity of labour supplied is 500 + 10(1 -
*t*)*w* where *t* is the income tax rate and
*w* is the real wage. Assume that the income tax rate is
50%. What is the before-tax real wage?

please provide detail explanation.