Glade Co. leases computer equipment to customers under sales-type leases. The equipment has no residual value at the end of the lease and the lease does not contain a purchase option that is reasonably certain to be exercised. Glade wishes to earn 8% interest on a five-year lease of equipment with a fair value of $323,400. The present value of an annuity due of $1 at 8% for five years is 4.312. What is the total amount of interest revenue that Glade will earn over the life of the lease?

a.) $51,600 b.) $75,000 c.) $129,360 d.) $139,450