The investment with initial capital amounted to TZS$.100,000,000/=$ and required

rate of return of $10\%$ has the following cash flow profile:

Year $1$ TZS$.25,000,000/=$

Year $2$ TZS$.25,000,000/=$

Year $3$ TZS$.25,000,000/=$

Year $4$ TZS$.50,000,000/=$

Year $5$ TZS$.50,000,000/=$

Year $6$ TZS$.5,000,000/=$

Required,

Comment on the financial viability of the investment using payback method, NPV$,$

PI and IRR.