Discounts equal to but not to exceed?

[proimpulse]

Is it possible to set up a coupon that will work with a fixed price that would be a combo of 3 products?

For example:

I have products that are $49.95 each if you buy 3 you get 10% discount but if you buy 4 you only get a discount on 3 and the 4th product is regular price of $49.95.

[Ajeh]

There is not a built in option for this at this time ...