Answer:
you should pay up to $2,737.84 to Tobi
Explanation:
first, the terminal price of the perpetuity must be determined = annual payment / r = $1,500 / .08 = $18,750
now, the present day value of the future terminal value
present value = future value / (1 + r)ⁿ = $18,750 / (1 + 8%)²⁵ = $2,737.84