...
The behaviour of guest cheque when purchasing the product [Product Category].
The behaviour of guest cheque who purchased the product, and guest cheque who purchased the category (but not necessarily the provideproduct). Providing insights on whether guests are trading within category. This, in combination with other metrics, provides insights on product & category cannibalization.
The behaviour of guest cheque when purchasing the product [Product Category] as compared to the overall guest base. This provides insights on whether the new product has an influence on guest cheque.
...