Solve all plz, there's a none of the above choice at the end

Q2 Conrad's company 1 Point Conrad owns a company. However, his business is not going well. He projects that his continuous income stream S(t) will steadily decrease and in four years, his company will no longer generate any revenue for him, as indicated on the following graph: S(t) (thousand $/year) + 50 40 30 20 10 t ( years) Fortunately, an investor is willing to buy his company. If Conrad's bank account has an interest rate of 5 % per year, compounded continuously, what is the lowest price that Conrad should accept to sell his company for? In other words, what is the present value of his income stream? O 74 923.01 $ O 80 000.00 $ 85 611.03 $ O 95 240.71 $