How can I figure out

Explain how a necessary expense may be partly a necessary expense and partially a want expense. the following exercises, create the budget, including totals and how much the income exceeds or falls short e expenses, based on the information given.

Per month: paychecks $=$$$3,680,$ consulting $=$$$900,$ Mortgage $=$$$1,198\mathrm{.}00,$ Utillitios $=$$$376,$ Cell phone $=$$$67\mathrm{.}50,$ Car payments $=$$$627\mathrm{.}85,$ Car insurance $=$$$183\mathrm{.}50,$ Student loans $=$$$833,$ Food $=$ $$450,$ Gasoline $=$$$275,$ Internet $=$$$69,$ Dining out $=$$$250,$ Credit cards $=$$$375,$ entertainment $=$$$300$

Per month: paychecks $=$$$2,750,$ child support $=$$$500,$ Mortgage $=$$$945\mathrm{.}50,$ Utillties $=$$$195,$ cell phone $=$$$37\mathrm{.}50,$ Car payments $=$$$298\mathrm{.}23,$ Car insurance $=$$$163\mathrm{.}50,$ Student loans $=$$$438,$ Food $=$ $$250,$ Gasoline $=$$$175,$ Internet $=$$$49,$ Netflix $=$$$15,$ After school care $=$$$711,$ Credit cards $=$$$150,$ entertainment $=$$$150$

Per month: paychecks $=$$$4,385,$ Rent $=$$$1095,$ Utilities $=$$$165,$ Cell phone $=$$$67,50,$ Car payments $=$ $$467\mathrm{.}35,$ Car insurance $=$$$243\mathrm{.}75,$ Student loans $=$$$1,150,$ Food $=$$$325,$ Gasoline $-$$$260.$ Intemet $$99,$ Netflix $=$$$15,$ Amazon $=$$$23,$ Gym membership $=$$$49,$ entertainment $=$$$650$

Per month: paychecks $=$$$3,460,$ Gig job $=$$$173,$ Rent $=$$$895,$ Unllities $=$$$165,$ Car payments $=$ $$195\mathrm{.}80,$ Car insurance $=$$$123\mathrm{.}30,$ Food $=$$$265,$ Gasoline $=$$$185,$ Internet $-$$$39,$ Hulu $=$$$15,$ Amazon $=$$$23,$ Credit cards $$97,60,$ Entertainment $=$$$600$