The following four factors were identifies and later used to explain the return on a stock and level of sensitivity GDP growth: =0.6, Rp=4% Inflation

The following four factors were identifies and later used to explain the return on a stock and level of sensitivity GDP growth: β=0.6, Rp=4% Inflation rate: β=0.6, RP=5% Gold Prices: β=0.8, RP=6% Standard and Poor’s 500 Index Returns: β=2.5, RP=8% The risk free rate is 6% Using the APT formula, calculate the expected rate of returns on the stock