The average cost for Google ads per click ranges between $1 to $2. However, the prices depend on the type of industry you are in along with your marketing goals. Usually, small to midsize companies spend $9000 to $10,000 per month on the Google ads services.
Also, the PPC management tools from Google can cost you from $15 to $800 per month. You need to discuss your budget with your PPC agency to better plan your campaigns.