now by maria shanina, she's a senior fellow at the finish institute of international affairs and an expert on international sanctions with a focus on eastern europe. thanks for being with us. re at the rubel has plunged to understand by nearly 30 percent to day or a record low against the us dollar. is this a sign that the sanctions imposed on russia or having the desired effect? we are in a different reality that will what are 2 days ago. the west is why in financial warfare against the oceans atrocities in the ukraine. so the scope of sanctions is unprecedented way. we're not talking about switch sanctions or sanctions from central bank full block in sanctions on russia's majors bank a couple of days ago. now we moved weekly to a very different reality and the level of international support is also unprecedented. as a result, there is an economy is reacting as you described. there we see the stock market is expected to blend their bill is collapsing and then brings a lot of memories from the ninety's, where a lot of ordinary russians has suffered. at this point, no surgical measures can