please solve the assignment with details for a&b

Sharjah LLC is currently considering two mutually exclusive investment projects. Both projects are concerned with the purchase of new machinery. The following data are available for each project: The business has an estimated cost of capital of 10 per cent. It uses the straight-line method of depreciation for all non-current assets when calculating operating profit. Required: a. Calculate the net present value for each project, and recommend which of the two investment projects the company should accept and why. (6 marks) b. Do you agree/disagree that Net Present Value is the best method in assessing the capital project investment decision. Explain (4 marks)