According to monetary approach of Balance of Payments, the demand for money is a stable
function of
(a) income, prices and rate of interest
(b) income and prices
(c) prices and rate of interest
(d) income, prices and foreign exchange reserves
function of
(a) income, prices and rate of interest
(b) income and prices
(c) prices and rate of interest
(d) income, prices and foreign exchange reserves