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.
First off, the Social Security disability benefits that your children receive in your name is their income and only would be reportable as income by them if they had sufficient income that caused it to be taxable. Social Security disability benefits are never taxed to you as custodian. Filing requirements are based on gross income exceeding certain thresholds and also filing status, age, blindness and dependency status.