About PI, because we're not sure if you can find some way to achieve if your delivery, prices are subject to change and uncertainty, so later in the PI will be available to you.
About PI, because we're not sure we can find a way to reach your delivery date, and we're not sure if the price will change, PI will be available to you later.
As for PI, we are not sure whether we can find a way to meet your delivery date, and whether the price will change, so PI will be provided to you later.