The following are the carryback and carryforward years generally. allowed for Illinois net losses in tax years ending before December 31, 1999. Illinois net losses in tax years beginning. â¢ after August 5, 1997, and ending before December 31, 1999, must. be carried back two years, then forward 20 years.
1 You may calculate biweekly gross by dividing annual salary by the number of days the salary is based on for the year and multiplying the result by 14 days. 2  For example, $52,000/365 days = $142.47 x 14 = $2,000. 3  Gross represents your entire salary before deductions.ivide biweekly gross by the number of days in the pay period to arrive at daily rate. For example, the biweekly gross is $2,000 and you work a standard 40-hour week; the daily rate is $200, the equivalent of $2,000/10 days.
Step 3. Divide the new annual salary into the annual pay periods to arrive at the new salary per pay period. The weekly pay period rate would be: $52,000 / 52 weeks = $1,000 per week. The biweekly pay period rate would be: $51,500 / 26 biweekly pay periods = $1,980.77 biweekly.egardless of the amount, or if there is a cost of living increase for all employees, there is a standard way to calculate the increase. Step 1. Determine the yearly salary before the increase. This is the annual gross figure the employee received prior to the raise; for example, $50,000.