Natal Technologies is developing a superior ultrasound machine for which it is required to invest $800,000. Based on the company's analysis, the product will generate $200,000 from the first year till perpetuity. According to this, the payback period is ________.
a. 10 years.
b. 6 years.
c. 3 months.
d. 4 years.
The payback period is the length of time that it takes for the future cash flows to equal the amount invested in a project. It takes 4 years to get $800,000 for Natal Technologies product.