The CWB Company is considering opening a new gallery which is expected to generate the following cash flows over 5 years.

	Central
Investment cost in Year 0, HKD	460,003
Cash Flows in Year 1, HKD	70,000
Cash Flows in Year 2, HKD	100,000
Cash Flows in Year 3, HKD	130,000
Cash Flows in Year 4, HKD	140,000
Cash Flows in Year 5, HKD	140,000
Salvage Value in Year 5, HKD	100,000

Assume that cash flow is uniform within each year, what is the payback period for this gallery? (Round your final answer to two decimal places)