A demand function for step stools manufactured by U-Step is q = -720p + 20,500.What is the revenue if the price per step stool is $18?

A) $369,000
B) $135,720
C) $28,040
D) $7,540

A soft drink company is introducing a new drink and wishes to evaluate which of three different formulas will be most popular.Five people taste each of the three formulas in a random order and rate each formula's taste on a scale from 1 to 10.The results are given below. $$\begin{array}{cccc}& \text{ Farmula 1 }& \text{ Farmula 2 }& \text{ Farmula 3 }\\ \text{ Person 1 }& 9& 6& 4\\ \text{ Person 2 }& 7& 8& 2\\ \text{ Persan 3 }& 5& 6& 3\\ \text{ Persan 4 }& 7& 5& 2\\ \text{ Persan 5 }& 8& 7& 2\end{array}$$ Conduct a Friedman test at the 0.05 level of significance to determine if there are differences in consumer ratings between the three formulas.

A larger standard deviation of a normal distribution indicates that the distribution becomes:

A) narrower and more peaked.
B) flatter and wider.
C) more skewed to the right.
D) more skewed to the left.

​The markup percent is based on cost. Compute the missing terms.
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Special Sports Store, which uses the LIFO method of valuing inventory, has 52 tennis rackets remaining in inventory. Special purchased tennis rackets over a three-month period as follows: 36 purchased at $15 on January 3, 48 purchased at $15.50 on February 5, and 24 purchased at $16 on March 7. Compute the value of the ending inventory of tennis rackets at LIFO cost.