need help with question 3 and 5 please.

Question 3 (1 point) Determine the net present value for a project that costs $358,000 and would yield after-tax cash flows of $26,000 per year for the first 11 years, $34,000 per year for the next 17 years, and $47,000 per year for the following 11 years. Your firm's cost of capital is 8.00%. -$694.60 -$344.12 -$406.33 0-$636.72 -$482.36 Question 5 (1 point) Determine the internal rate of return for a project that costs - $71,500 and would yield after-tax cash flows of $11,000 the first year, $13,000 the second year, $16,000 the third year, $18,000 the fourth year, $22,000 the fifth year, and $28,000 the sixth year. 09.11% 9.47% 10.59% 11.23% 11.82%