So my xfinity x15 remote won’t connect to the box I’ve already reprogrammed it the way they told me to but it just won’t connect and I also noticed the light goes red when I click a button I changed the batteries and everything but nothing works what can I do?

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most? a)give the file a unique name b)name the file in yymmdd format c)use descriptive name while naming the files d)use capital letters while naming the file