Scenario 13-7 Julia Prepares Tax Returns and Does Bookkeeping. Last Year Her

question 18

Multiple Choice

Scenario 13-7
Julia prepares tax returns and does bookkeeping. Last year her revenues from the tax and bookkeeping business were $150,000, and her expenses for the business were $15,000. When she started her tax and bookkeeping business, Julia gave up her supplemental job doing in-home pet sitting. She used to earn $10,000 per year from pet sitting. Assume that she incurred no costs for her pet sitting business.
-Refer to Scenario 13-7. Julia's implicit costs are

• A)0.
• B)$10,000.
• C)$15,000.
• D)$25,000.

Describe the role and sources of nutrients in aquatic ecosystems, including the concept of marine snow.

Identify and characterize the different categories of aquatic organisms (nekton, benthos, etc.).

Recognize factors that influence the distribution of organisms in aquatic biomes.

Understand the geographical distribution of terrestrial biomes and the concept of biogeographical realms.

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