You are a Logistics Manager at an e - Commerce retail company. Your company currently uses third - party delivery services to deliver products ordered through your website. While third - party services are reliable, they have limitations that are preventing your company from differentiating from other e - Commerce retailers. Therefore, you are contemplating that your company should start its own delivery service for delivering the most commonly ordered products. You have done all the analyses and are left with calculating the payback period of the investment before you present it to management. Typically, management has funded investments with a payback period between 3 - 4 years