Can you please show me step by step how to solve this problem!!

Given Required ROR (k)-Rr+Risk Premiumxp or 35. If this company paid annual dividend of $8/share at the latest year-end, and the dividend is expected to grow at 7% for the foreseeable future, what is the rational price of this firm's stock? If the stock currently trades at $80, is this a "must-buy" or "must-sell"? Why? Given Required ROR (k)-Rr+Risk Premiumxp or 35. If this company paid annual dividend of $8/share at the latest year-end, and the dividend is expected to grow at 7% for the foreseeable future, what is the rational price of this firm's stock? If the stock currently trades at $80, is this a "must-buy" or "must-sell"? Why