caculate npv and irr by caculator please. and explain what you pressed in caculator to get that answer

You are required to use a financial calculator or spreadsheet (Excel) to solve the following capital budgeting problem (sample questions and solutions are provided for guidance Mandilly Industries is undertaking a series of significant cost saving changes to its operations effective immediately. It will cost the company $2,400,000 to implement the changes today. Over the next eight years, this will result in savings of $200,000 in each of the first two years, $500,000 in each of the three years following that, and $800,000 in cach of the final three years. 0) Develop the timeline (linear representation of the timing of cash flows). 1. IIIIII 1- Cash flow Year 0-2400000 Year 1 200,000 Year 2 200,000 1000 (iii) Calculate the Internal Rate of Retur (IRR) (iv) Calculate the Net Present Value (NPV) at the following required rates of return; (a) 8% (b) 10% (c) 1% (d) 14%