just an example that even though with medline we were receiving the discounted rate, that's cheaper thanot being part of the gpo. we did extra negotiation with medline, and in 2024 we were able to achieve an additional $100,000 savings by just meeting with them and saying, okay, even though you're giving us the best price, but we will commit that extra like 10% of our expenses with you. what can you give us? and we were able to achieve that additional savings. so there is always opportunities. and this is kind of our always everyday exploration. next slide. so being a member doesn't come for free. they require us to pay membership. so the membership dues are paid annually. and it's associated with the services we ask for. so if you remember the slide that what are the services we had. we had ten lines. so each line of these services we pay a specific fee. so the total fees we've been paying, for example in 2023 was 486,536. this is how much we pay them fees to be a member. but the cash back we receive from them rebates, it's $2.3 million, so we don't actually pay them. what they do is th