You need to set up an advertising campaign in VK

You need to set up an advertising campaign in VK for an online store of women's clothing. Before launching and setting up an advertising campaign, you need to calculate how much the average cost is 1 k. Visitors and, if you have experience, it will be interesting to know how effective the traffic from VK. You may be able to offer a better source of traffic. I hope for a long and fruitful cooperation!