I believe the answer is B
The price of the refrigerator before markup will be $325. This can be calculated by reversing the markup in the price of the refrigerator.
<h3>What is Markup?</h3>
Markup basically refers to the difference between the selling price of a good and its cost. The markup is generally expressed as a percentage and is added to the cost of the good to ensure cost cover and earn profit.
For the given question, the before markup price can be calculated as:
Given:

Makeup is the addition to the original price of a good. The after markup price can be taken as 100% + 25% = 125% of original price.
Then original price can be calculated as:

Therefore the before markup price is $325.
Learn more about markup here:
brainly.com/question/5189512
This transaction is called account allowance. Account allowance
includes two kinds of transactions – to reduce in the folio balance
compensation for poor service and the other one is to correct posting mistakes
after the close of business. This kind of transaction is recognized by the usage
of an allowance voucher, allowance vouchers are typically necessitate
management endorsement.
Answer:
C. Arrival time of patients.
Explanation:
Flow time is a term used in business operations to describe the quantity of period or duration a flow unit such as the number of customers attended to, commodities produced, etc, consumes in a business operation from start to finish. It can be calculated by the formula T = I/R
Where T = Flow time, I = average inventory, R = number of customers attended to / time period
Hence, in this situation, the information that is needed to compute flow time at a dentist's office is option C Arrival time of patients.