After Starbucks analyzed data about customer orders in its stores and industry reports about at$-$home consumption of hot and cold beverages, it decided to launch new bottled beverages and K$-$cups to sell in grocery stores. When the firm determined that $43$ percent of tea drinkers avoid sugar and $25$ percent of iced coffee drinkers don't add milk, Starbucks decided to introduce two new unsweetened iced tea K$-$cups as well as iced coffee drinks without milk or other added flavors. These data are examples of

a$)$ social media data

b$)$ secondary data

C$)$ single$-$source data

d$)$ primary data

e$)$ external data