Please put the process

Babble Brook Farm is planning to purchase a new tractor. The initial cost is $530 000. The new machine will last four years with an expected salvage value $80 000. The tractor is expected to increase the productivity of the farm. The expected increase in cash revenue each year of operating the new machine is $600 000 and expected increase cash outflows for each year is $425 000 (tax included). Required: 1 - What is the payback period for the new machine. [2 marks] 2 - Calculate the new machine's ARR. [3 marks]