It is currently April $5$ and the client comes in with the following documents asking for you to complete a tax return. You tell the client that you can only extend and help pay estimated taxes. The client is single and takes the standard deduction. Based on last year$$s tax return, the liability was $$4,000.$ Client thinks he earned about $10\%$ more in income the most recent tax year.

$1.$ W$2-$ $$100,000$ wages, $$15,000$ federal taxes withheld, $$15,000$ contribution to traditional $401$K

$2.$ K$-1-$ $$20,000$ ordinary business income, $$5,000$ guaranteed payments

$3.1099-$INT $-$ $$2,000$ interest income

$4.$ Rental income of $$10$K

$5.$ Stock portfolio increased in value from $$100$K to $$120$K

$6.$ Printout showing that he contributed $$6000$ to a Roth IRA

To estimate his extension payment as quickly as possible, what would you do$?$

What method would you suggest the taxpayer use to pay the extension payment and why?

Does he need to make an estimated tax prepayment for the current tax year? If so$,$ how would you estimate?

If the client resides in the city of Philadelphia, what additional tax returns besides Federal will he have to file? Assume the taxpayer$$s employer also didn$$t withhold Philadelphia City Wage tax.

If the client resides in Pennsylvania but outside of Philadelphia and the business is located where the client resides, what additional tax returns besides Federal will he have to file?