Based on your knowledge of the following companies, how effective would you say any one of the following acquisitions were in terms of creating synergy: a) Microsoft's purchase of Nokia's mobile handset and services business? b) Google's purchase of YouTube? c) PepsiCo's purchase of Frito-Lay? d) Kroger's purchase of Harris Teeter Supermarkets? e) InBev's acquisition of Budweiser?