Provides a means to clearly show economic relationships in two-dimensional space. Economic analysis is often concerned with two variables confined to the upper-right (northeast) quadrant of the coordinate number system.

Graphs

Explanation:

A graph is a pictorial representation that shows a relationship between two or more variables. In the context of economics, it represents the clearly relationship in two-dimensional space. Also the economic analysis would be concerned with respect to the two variables.

Therefore as per the given situation, the graph should be the answer

Hence, the same is to be considered

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"we first find value of tax in dollars.

the difference between the two prices   is: 23. 54 - 22 = 1.54

therefore the sales tax in dollars is 1.54

the tax % will be   (amount of tax / original cost price ) × 100

(1.54 / 22) × 100  → (0.07) × 100 =   7

so the tax rate is 7%

we can double check the answer.

7 % of 22   → (7/100) × 22 → 0.07 × 22 = 1.54

22 + 1.54 = 23.54"

answer decisions made by individual households and firms;