Re: very bad
Welcome to adword community,
Actually the cost on the adword account totally depend on advertisers choice. Depending on your business goals you can few changes to reduce the cost of your account.
For initial steps you can imporve your Quality Score which helps to decrease your bid amount and keep your current position. You can use more related and themed keywords intead of generic ones so they will have more impact on your business.
I believe we can help you more on this if you can provide more information like what is your industry, and yout business goals and etc