Answer:
The correct answer is:
0.50 (B)
Explanation:
The Lerner index is used by monopolists to measure market/monopolist power, and it is defined as the percent markup of price over marginal cost.
It is given by the formula:

Note: in a perfectly competitive market, L = 0, which makes Price = Marginal cost in the equation above. But in a competitive market, it is always the case that L ≥ 0
Answer: may be determined by subtracting the total variable cost from either the total cost at the low or high activity level
Explanation: In using the high-low method, the fixed cost may be determined by subtracting the total variable cost from either the total cost at the low or high activity level.
Answer:
1. C
2. A
3. B
4. D
Explanation:
Price can be defined as the amount of money that is required to be paid by a buyer (customer) to a seller (producer) in order to acquire goods and services.
In sales and marketing, pricing of products is considered to be an essential element of a business firm's marketing mix because place, promotion and product largely depends on it.
In Accounting, costing is the measurement of the cost of production of goods and services by assessing the fixed costs and variable costs associated with each step of production.
The various types of cost variance components and their definition includes the following;
1. Actual price: the amount paid to acquire input.
2. Actual quantity: the input used to manufacture the quantity of output.
3. Standard quantity: the expected input for the quantity of output.
4. Standard price: the expected price.