Plz solve these questions and while solving Qno 5 plz elaborate IRR Like how do we solve IRR and whats the trick of getting IRR easily ?

Q1 a) Find ihe Present 1ir'alua of the following 0rdinary Annuitia: [01] i. $500 per year for 10 years at 10% ii. $400 per year for 5 years at 5% iii. $500 per year for 6 years at 3% 0] Find the Present Valua of H18 following Annuities Due: [01] i. $400 per year for 10 years at 10% ii. $200 per year for 5 years at 5% iii. $500 per year for 6 years at 3% Q2 a) Fund the Net Income and Net Cash Flows of Graven Corporao'on haying following data available: [01] EBIT slsooooo Depredaon Expense $4M Tax Rate 35% (Note: Grayen Corporaon is 100% Equity Fhanood} h) Find the Darners' Equity and Net Working Capital of ABS Corporaon haying following data available: [01] CUrrent Assets $ 5,300 Net Fixed Assets 1; 26,000 Current Liahilih'es $ 3,900 Long Term Debt 13 14,200 \f