This will be a similar post to what you've already received. You can offer to teach her how to make one.
First make sure she has a sewing machine, mat, rotary cutter, ruler and finally the material. If you want to, you can even accompany her to JoAnn's. If you really want steam coming out her ears, bring her to a LQS for prices.
It's up to you whether you want her to pay for this lesson, or do it free of charge. Once nieve people realize just how much things add up to, they may think differently of 'just asking and assuming' quilters will do as they wish.
Don't cave. Be strong!