1a). a project cost $300 million and is expected to generate cash flow of $45 million per year, starting at the end of the first year and lasting forever. what is the internal rate of return? the internal rate of return is . (round 3 decimal places. use pure number in your answer.that is, convert percentage numbers into pure numerical values)

1b). a project has the following cash flow:

year 0 -$20,000 cash flow,

year 1 $4888 cash flow,

year 2 $4888 cash flow,

year 3 $4888 cash flow,

year 4 $4888 cash flow,

year 5 $4888 cash flow,

year 6 $4888 cash flow,

year 7 $4888 cash flow,

year 8 $4888 cash flow.

the payback period for this project is years.