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.
Supplemental Security Income (SSI) is needs based. If your income and resources are low enough to qualify for SSI, then you are exempt from income tax by definition. However, up to 85 percent of Social Security Disability Insurance (SSDI) payments are taxable.The percentage that is taxable is based on your total provisional income.. Provisional income includes half of your income from Social Security and all other income.f your income and resources are low enough to qualify for SSI, then you are exempt from income tax by definition. However, up to 85 percent of Social Security Disability Insurance (SSDI) payments are taxable. The percentage that is taxable is based on your total provisional income..