New Hope Restaurant (NHR) is based in Memphis, Tennessee. The restaurant is known for its Banh Chung, a popular Vietnamese dish. NHR prides itself as "the only restaurant that serves the best of Vietnamese cuisine all year long in the American South". Banh Chung iseaten during the lunar new year celebration of Tet, which comes off in February.

With examples, define and suggest how each of the following concepts may apply to NHR:

1. Diminishing marginal productivity

2. Diseconomies of Scale

3. Economies of Scope

4. Cost complementarity