An equipment that currently costs $750,000 is needed for construction at the project site for 5 years.The Project Company have been presented with the alternative of leasing the equipment for an...

An equipment that currently costs $750,000 is needed for construction at the project  site for 5 years.The Project Company have been presented with the alternative of  leasing the equipment for an annual rental payment of$210,000.Should the project  company lease or buy the equipment,if,
i. Rental payments are made at the end of the year?

ii.Rental payments are made at the beginning of the year?