A huge cashback increase. Not sure what else there is to say other than 12 minus 4.2 = 7.8% increase.
12% cashback excludes Sale Items & Fine Jewellery (thanks @tightarse)
Please note the cashback on the following categories are at a lower rate.
Cashback on Sale Items & Fine Jewellery: 2.10%
Damn.
Made a pretty big purchase a week ago at 4.2%