A. The firm's cash flow is not used in determining the value of a stock when using the dividend growth model.

The formula for the dividend growth model is:

C = (D1 / P0) + G

When restated to determine the value of a stock, the formula is:

P0 = D1 / (C - G)

B. The firm's liquidity is not used in determining the value of a stock when using the dividend growth model.

The formula for the dividend growth model is:

C = (D1 / P0) + G

When restated to determine the value of a stock, the formula is:

P0 = D1 / (C - G)

C. The firm's capital structure is not used in determining the value of a stock when using the dividend growth

model.  The formula for the dividend growth model is:

C = (D1 / P0) + G

When restated to determine the value of a stock, the formula is:

P0 = D1 / (C - G)

D. The dividend growth model is used to calculate the cost of retained earnings (investors' required rate of return). The simplified formula is

C = (D1 / P0) + G

where C is the investors' required rate of return, D1 is the next dividend, P0 is the stock's price, and G is the growth rate in dividends.

The model can be restated and used to determine the stock price when the next year's dividend, the investors' rate of return (cost of retained earnings) and the growth rate in dividends are known. The restated formula isP0 = D1 / (C - G)