Janet enjoys eating jelly sandwiches and drinking milk. She is particular about proportions, though: For every jelly sandwich she eats, she must drink exactly one glass of milk, and vice versa. Janet can purchase the jelly for her sandwiches in two jar sizes: 20 ounces and 40 ounces. Janet cares only about the total amount of jelly she has available and not at all about the jar size. In other words, she's just as happy with two 20-ounce jars as she is with one 40-ounce jar. In this scenario, jelly sandwiches and glasses of soda are:
a. perfect complements
b. perfect substitutes
c. neither complements or susitutes)

If a particular good or product is consumed togetherly is said to be the perfect counterpart. Economically also the consumer uses products in a fixed proportion like cereal and milk are the perfect complementary example.

The correct answer is:

Option A. perfect complements

This can be explained as:

Therefore, this scenario shows perfect complements.

To learn more about perfect complements follow the link:

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The correct answer is A. Perfect complements

Explanation:

Janet eats jelly sandwiches and milk together; in this context, jelly and milk are complements because these are consumed together. Indeed, every time Janet consumes jelly she consumes milk. Moreover, these are perfect complements because the demand and consumption of both increases or decreases together proportionally. This is because if Janet eats 2 sandwiches this also duplicates the amount of milk she consumes (two glasses of milk). In the same way, this affects the demand for jelly and milk because if Janet drinks more milk she will need to buy more jelly.

income statement is prepared in order to show the profits and loss of a business. in order to prepare the income statement she should collect all the income and expenses of the product with the cost of production.

i might look it up later.