Calculate the payback period of energy and ink-saving printers your organisation wants to install.

• First, calculate the total costs.

Initial investment	$
Six printers	5,400
Disposal of old printers	200
Total costs
Net savings	($ per annum)
Energy cost reduction	1,000
Reduced ink usage costs	1,500
Less annual maintenance	(200)
Total net savings	2,300

• Next, use the total costs to calculate the payback period.