LEARNING OBJECTIVE: Determine benefts of using subsidiary iedgers for sales and purchases. Sally owns a clothing company and found that she was selling more items, and a greater variety of Aems, to repeat customers. Saly/s CPA advised hor to create a set of accounts to separately track what each of her curtomers bought from her. To track her customers' purchases, Sally should set up and use a(n) a.) sales subsidiary ledper b.) merchandising accourt c) purchases subsidiary ledger d.) inventory account