please elaborate i dont understande what your asking.
Answer:
The contribution margin ratio can be calculated using either total amounts or per unit amounts.
Explanation:
Contribution margin ratio = 
This can even be done by 
This will calculate contribution as a percentage of Sales, with this margin ratio we get break even sales value, and not the units.
Whenever there is an increase in variable cost it decreases the contribution.
Therefore, correct statement is
The contribution margin ratio can be calculated using either total amounts or per unit amounts.
The relationship between planned investment and interest rates is that investment spending is inversely related to interest rates.
<h3>How are investment spending and interest rates related?</h3>
Investment spending depends on being able to take loans from financial institutions to sponsor capital projects.
If interests rate are high, there will be less planned investments because the cost of taking a loan will be high. The relationship is there inverse in nature.
Find out more on interest rates at brainly.com/question/26540958.
Price matching and Shipping directly are trends office supplies and Best Buy offers, which can compete with ratailers online who sells similar products.
<h3>What is marketing?</h3>
Marketing refers to the process of getting people interested in a company's product or service. It is a process a company undertakes to promote the buying or selling of a product or service.
The essence is to create awareness of the product to potential buyers so that they can purchase the products.
Hence, trends among category killers such as Staples for office supplies and Best Buy for electronics include price matching and Shipping directly from any store rather than just warehouses
Learn more about marketing here : brainly.com/question/25369230
Answer:
Money multiplier= 1 / reserve requirement
a. Reserve requirement = 0.09
Money multiplier = 1 / 0.09
Money multiplier = 11.11
b. Reserve requirement = 0.25
Money multiplier = 1 / 0.25
Money multiplier = 4
c. Reserve requirement = 0.12
Money multiplier = 1 / 0.12
Money multiplier = 8.33
d. Reserve requirement = 0.04
Money multiplier = 1 / 0.04
Money multiplier = 25