What is the value of a firm with initial dividend Div, growing for n years (i.e., until

Question:

What is the value of a firm with initial Div, growing for n years (i.e., until year n + 1) at rate g1 and after that at rate g2 forever, when the equity is r ?

Cost Of Capital
Cost of capital refers to the opportunity cost of making a specific investment . Cost of capital (COC) is the rate of return that a firm must earn on its project investments to maintain its market value and attract funds. COC is the required rate of... Dividend
A dividend is a distribution of a portion of company’s earnings, decided and managed by the company’s board of directors, and paid to the shareholders. Dividends are given on the shares. It is a token reward paid to the shareholders for their...