Deterding, S., Dixon, D., Khaled, R. and Nacke, L. (2011a) âFrom Game Design Elements to Gamefulness: Defining âGamificationââ, Envisioning Future Media Environments - Conference proceedings, MindTrekâ11, Tampere, pp. 9â15.
The payback method is a simple way to evaluate the number of years or months it takes to return the initial investment. The payback period is usually expressed in years. Start by calculating net cash flow for each year: net cash flow year one = cash inflow year one - cash outflow year one.
Some of the methods used by tax professionals to set prices include: 1  A set fee for each tax form or schedule. 2  A fee based on last year's fee plus an additional fee for any changes in a client's tax situation. 3  A minimum tax return fee, plus an additional fee based on the complexity of the client's situation.