$5)$ What if the perpetuity paid $$4\mathrm{.}75$ last year $($ttm$)$ and is expected to pay $$5$ next year and $$6$ in year $2$ and $$7$ in year $3$ and then is expected to grow at a constant rate of $4\mathrm{.}8\%$ after year $3.$ What is the PV of the perpetuity at a discount rate of $8\%?$