The founders of Life is Good started their business by hawking t-shirts on the street and selling them door to door in college towns. As the organization grew, the number of different lines of products it offered grew, too. Collectively, these assorted product lines might be described as Life is Good's

product mix

Explanation:

Based on the information provided within the question it can be said that these assorted product lines might be described as Life is Good's product mix. In the context of marketing, this term refers to the total range of several related products that have been placed for sale individually by a company that is currently offering these products in the target market or industry that they are in.

answer; conceptual skills;

answer; someone must cover the cost associated with the provision of scarce goods in both sectors;