Mustang man, there was no mistake, tower plays really strange pricing games with the items they sell. there may be as many as 3 or 4 stock numbers for each of the radios you purchased and each stock number carries a different price, plus there are discount codes you can use to further reduce the price. But wait, there's more
...........if you bought each radio in a seperate order you can use a $30 discount code on each instead of just one discount on the entire purchase.
To get the best prices from tower you must play the games and figure this nonsence out. They will never just give you the lowest price of any of thier stock codes unless you ask for it specificly.
I could write many paragraphs on tower and thier pricing policies. They are certainly not bad to deal with as long as you understand how they operate.
This is a example of a discount code, you should use them to save $$
010CJ SAVE $30 on $229.90 ORDER
Applied during checkout process if this order qualifies