Hello, please I need help with my Finance assignment.

I would appreciate a clear explanation, calculation and financial advice so as to gain a better understanding and learn.

Question 1

What is the present value (PV) of the following series of cash flows at 10% and its IRR?

Please explain the sensitivity of the present value and IRRto different discount rates. (Kindly provide extensive explanations and financial advice)

Year 0: -2,000$ | Year 1: +800$ | Year 2: +600$ | Year 3: +700$ | Year 4: +500$

Question 2

Draw a present value (PV) profile of the following project and determine the IRR(s).

Is the project acceptable at 10% cost of capital? Please explain your assertions. (a) what's on X axes, (b) what's on the Y axes, (c) form of the graph, (d) where it intercepts the X axes etc. (Kindly provide extensive explanations and financial advice)

Year 0: -4,000$ | Year 1: +10,200$ | Year 2: -6,300$

Question 3

A firm is considering a project with a cash flow outlay of 1,000$ now and 5 annual inflows of 500$. (Kindly provide extensive explanations and financial advice).

a) What is the NPV (net present value) at 10%. What is the NPVat other discount rates?

b) What is the NPV assuming a general inflation rate of 8% and an increase in cash flow to $510 per year?

Thank you so much.