How to cancel an invoice?

Question

I need to cancel an old invoice. 
 
 According to this article ( https://community.sdl.com/product-groups/translationproductivity/business-manager/w/wiki/5145/corrective-invoices ), I need to enter 0 into the Partial factor column. 
 
 I don't see this column anywhere in the corrective invoice.

Eugene Kuchynski · Answer

Hello Ivaylo, 
 I think you've hidden it. Try to right click on table header > Column chooser, and drag Partial factor back to this table. 
 Hope it helps! 
 And a short question since you're using this functionality. Do you think it's implemented well, or previous approach with simple unrestricted deletion of invoices was better?

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How to cancel an invoice?