How do businesses utilize OLAP $($Online Analytical Processing$)$ to gain insights from their data?

a$.$

By conducting large$-$scale surveys to gather customer feedback

b$.$

By using OLAP to create interactive reports and dashboards

c$.$

By analyzing large datasets to discover patterns and relationships

d$.$

By encrypting sensitive data to protect it from unauthorized access

e$.$

By automating routine business processes and tasks