Czaplinski Corporation is considering a project that would require an investment of $323,000 and would last for 7 years. The incremental annual revenues and expenses generated by the project during those 7 years would be as follows: (Ignore income taxes.)

The scrap value of the project's assets at the end of the project would be $22,000. The payback period of the project is closest to:

	4.1 years
	4.4 years
	9.7 years
	10.4 years