lottery ticket with his colleagues at his new job and just won a share of the Lotto Max Millions and is deciding how to invest part of his share $($$$500,000).$ He is looking at $6$ different corporate bonds as well as $2$ land investments. He has some stipulations and concerns about the risks associated with each investment. You have been asked to determine the best investment decision to maximize his annual return on the investment within the constraints given.

See the Excel template for the rate of return $(\%),$ maturity and risk rating assigned to each of the investment possibilities available for him. $*$ Maturity is the length of time over which the bonds will be payable.