For example, if you wish to calculate a monthly average number of hours worked and use six months of data, divide the total hours your employee works in six months and divide the result by six to determine the monthly average hours of work for the employee.
Social Security disability payments may be includable in taxable income and still not increase the tax you pay. A lump-sum retroactive payment of Social Security Disability Insurance (SSDI) may be includable in taxable income, depending on the amount and your other income and deductions.
Social Security is taxable when your provisional income exceeds abase amount of $25,000 for single taxpayers and $32,000 for married/ head of household taxpayers. Up to 50%, bâ¦ut no more than 85%, ofyour Social Security benefits can be taxable in a calendar year.