Case Based Critical Thinking Questions

Case Based Critical Thinking Questions
Carlos has developed a database for his organic farm.The farm sells organic produce and meat. In addition to the retail sales of his products, he offers cooking demonstrations five times each month for a small fee. The demonstrations are limited to 10 people. The database contains the following tables: Products, ProductPrices, ProductCosts, Suppliers, Customers, and CookingDemos. The Products, Product Prices, Product Costs and Suppliers tables are related using the ProductID field. The Customers and CookingDemos tables are related on the CustomerID field. Carlos needs to make some decisions using his database. Determine the best method for Carlos to use to achieve the results he wants.
-Carlos needs to decide which cooking demonstrations to offer next month. He would like to offer his five most popular demonstrations. Which method would be best for Carlos to use to find this information from his database?

A) use a calculated field in the CookingDemo table to calculate how many people signed up for each demonstration
B) manually count the number of people who attended each demonstration
C) create a top values query based on the field in the CookingDemo table that lists the number of participants
D) create a pattern match in a query based on the Customer table