Initial Investment: K100,000 Annual Net Cash Inflows: Year 1: K20,000 Year 2: K30,000 Year 3: K40,000 Year 4: K20,500 Year 5: K30,500 Cumulative Cash Inflows: Year 1: K20,000 Year 2: K50,000 (K20,000 + K30,000) Year 3: K90,000 (K50,000 + K40,000) Year 4: K110,500 (K90,000 + K20,500) Year 5: K150,000 (K110,500 + K30,500) calculate the exact payback period