Thanks for the PC calculator.Derek27 wrote: ↑Mon Feb 18, 2019 7:40 pmIf your lifetime profit is negative you cannot possibly be charged PC. If you have a big win that brings you into profit the big win will account for more than 100% of your lifetime profit so you won't be eligible for PC.
Try experimenting with this PC calculator. Enter the weekly amounts in the right-hand columns and then click on 'close week'. You can enter a largest profit in cell B20.