On the form 2210 do I need to figure out every single the income and deductible for each quarter, such as salary, stock sales, dividends, mortgage interest, pro...
That sounds a relief for my year-end stock sale. My actual case is a bit more complicated. I had a long term gain in May this year, to which I didn't pay the es...
An followup question, does it help if I pay IRS some money now, for the estimated tax of previous quarters? Do I need to specify which estimated tax period(s) t...