How do I make 5 developer products?

Alright, so I want to sell 5 developer products, each for a different amount of in-game money. This is the script I use for all of them, of course I change the id and the local variable name.

local MarketplaceService = game:GetService('MarketplaceService')
local devproductid2 = 81727674 --250 Credits

MarketplaceService.ProcessReceipt = function(receiptInfo)
    for i, player in ipairs(game.Players:GetChildren()) do
        if player.userId == receiptInfo.PlayerId then 
            if receiptInfo.ProductId == devproductid2 then
                player.leaderstats.Credits.Value = player.leaderstats.Credits.Value + 250
            end
        end
    end
    return Enum.ProductPurchaseDecision.PurchaseGranted
end

That one is for 250 money, but I have many of them, 100 money, 250, 500, 1,000, and 10,000

Please help, thank you!

Note I created a leaderstats