Charged for extra program not ordered

Has anyone else had the experience of ordering the $27 program and then to be told that you can upgrade but no price to upgrade unless click see more... once on new site tighten automatically br charged another $47 without being given the option to decline. So I’m now being charged $74 for something that I expected to pay $27 for. When I query the extra charge I get told that yfry are looking into it but do far no further communication, When I called the dell number given I’m told that this is the wrong number and that they have requested that the number be changed 5 years ago but still it appears on their communications online. Sounds very shady to me... I wonder if I’ll ever get my $47 back....I have put a query into my bank to stop payment...waiting patiently..,,