How to add letters to Leaderboards? [closed]

So, I was messing around with leaderboards a little bit ago, and was going to add letters. Like if you had $1000, it would say $1k.

Here's the leaderboard, but I just don't know how I would add letters, could someone help?

game.Players.PlayerAdded:connect(function(player)
    local stats = Instance.new("Model")
    stats.Name = "leaderstats"
    stats.Parent = player

    local c = Instance.new("StringValue") -- I made it a stringvalue so I could add letters.
    c.Name = "Cash"
    c.Value = "0"
    c.Parent = stats
end)