the marketing dept. needs to maximize consumer interest in the company's new financial services by sending marketing emails, targeted ads, and texts at prescribed intervals throughout the initial process of attracting and building a relationship with a customer. riad's team has a large amount of data from previous marketing campaigns that they can analyze to develop a recommended schedule, taking into account a large variety of factors about different types of customers. what kind of technique will this task force need to employ in order to make these recommendations? a. simulation b. descriptive analytics c. optimization