Client Investments. A & B Financial Services makes investments for their clients. It makes a investment of $3700 for the year at simple interest, yielding $297. some of the dollars is invested at 7% and the rest at 9%. How much has been invested at 7% and 9 %? Do the Familiarize and Translate steps by completing the following table. Let the number of money invested at 7% and the number of money invested at 9%.