Consider the following four stocks in the table below. Price t represents the price at time t and Quantity t represents the number of outstanding shares at time t.

a) Find the rate of return on a price-weighted index of the four stocks

b) Find the rate of return on an equally weighted index of the four stocks

Price 0 60 80 35 20 Quantity 0 100 80 200 100 Price 1 Stock A Stock B Stock C Stock D Quantity 1 100 200 200 100 34 38