McGilla Golf has decided to sell a new line of golf clubs. The length of this projectis seven years. The company has spent $125204 on research and development for the new clubs. The plant and equipment required will cost $2854278 and will be depreciated on a straight-line basis. The new clubs will also require an increase in net working capital of $133485 that will be returned at the end of the project. The annual OCF of the project will be $840589. The tax rate is 29 percent, and the cost of capital is 9 percent. What is the payback periodfor this project?