Arlene opens a donut shop that offers plain, glazed, and chocolate donuts, along with fresh coffee. How could Arlene expand her business with the least risk to her current profits? A) Hire someone to tell her how to run her shop more efficiently B) Open several new stores in different cities across the country. C) Expand her current menu to include other products and flavors. D) Make television and radio commercials for a national advertising campaign.