Answer:
Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Friedrich Mohs in 1822 is used to determine mineral hardness.
Sorry but i really don't understand that question
The attached graph shows the required curves to be drawn. One of the curves is called the Marginal Revenue Curve.
<h3>What is a marginal revenue curve?</h3>
At the market price, the marginal revenue curve is a horizontal line, suggesting completely elastic demand, and it is equal to the demand curve.
Monopoly occurs when one corporation is the exclusive vendor of a distinct product in the market.
Learn more bout marginal revenue curve at;
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Full Question:
The graph shows the market for smart rackets.
Suppose the profit-maximizing output is 160,000 smart rackets.
Draw the firm's marginal revenue curve. Label it MR.
Draw the firm's marginal cost curve. Label it MC.
Draw a point at the profit-maximizing output and price.
Draw a shape to show the firm's economic profit. Label it.
268-96= 172
344
She need to spend additional $344 dollars