please include a cash flow chart thank you very much

Lucas has just bought a new computer ($2000), a printer ($450), and a scanner ($210). He wants to take the monthly payment option. There is an interest of 12 percent per year, compounded monthly on his purchase. a. If Lucas pays $65 per month, how long does it take to complete his payments? b. If Lucas wants to finish paying in 36 months, how much will his monthly payment be? Lucas has just bought a new computer ($2000), a printer ($450), and a scanner ($210). He wants to take the monthly payment option. There is an interest of 12 percent per year, compounded monthly on his purchase. a. If Lucas pays $65 per month, how long does it take to complete his payments? b. If Lucas wants to finish paying in 36 months, how much will his monthly payment be