please help

Alan is presented with two financing plans to buy a computer. Plan A gives him the option of just paying $1000 up front and do not pay more money afterwards. Plan B allows him to pay $50 every month, at a rate of 0.5% per year, compounded monthly for 2 years (future value). Plan C allows him to pay $100 every quarter, at a rate of 0.8% for 2 years, compounded quarterly (future value). (7 marks) a) Determine the future value for both Plan B and C b) Select which plan is the best deal for Alan 6) David wins the lottery, and earns $500000. He wants to deposit this into an account that pays 6% per annum, compounded monthly in order to withdraw a certain amount every month for 20 years. How much can he withdraw every month