Read the following caselet and choose the best alternativeThe BIG and Colourful CompanyYou are running "BIG and Colourful (BnC)" company that sells books to customers through three retail formats:a. You can buy books from bookstores,b. You can buy books from supermarket,c. You can order books over the Internet (Online).Your manager has an interesting way of classifying expenses: some of the expenses are classified in terms of size: Big, Small and Medium; and others are classified in terms of the colors, Red, Yellow, Green and Violet. The company has a history of categorizing overall costs into initial costs and additional costs. Additional costs are equal to the sum of Big, Small and Medium expenses. There are two types of margins: contribution (sales minus initial costs) and profit (contribution minus additional costs).Given below is the data about sales and costs of BnC: