Hello, First post! My question is this-- I have one main credit card I use that has a 12,000 limit. I have to use this for business travel a lot and will typically have anywhere from $2,000-$8,000 reported as my balance each month, even though I pay it off in full when I get reimbursed. When looking at my credit report I discovered I have an old Discover card account that has a 0 balance with a $1600 limit and is listed as inactive, but not closed. Is an inactive account (but not closed) already taken into consideration as part of my total credit limit? ie: If I make it active again by actually using it will that help my score? Thanks!