Payslips Calculations

When entering payslips, we have the ability to do calculation in the Units and Rates and we can see the result in the amount field, which is simply awesome. However, we cannot do the same for deductions and contributions.

Also, it would be great if we could have units and rates for deductions and contributions for other reasons as well, for example, the units for SIO deduction could be the 600 basic salary at the rate of 7%.