Scenario 2 would be correct
Answer:
Occur at least annually
Explanation:
Greater than minimal risk protocols that have been approved must undergo review at least once a year. However IRBs usually specify a shorter period than this for reviews. The principal investigator holds the duty of ensuring that signed consent forms are kept confidential. The IRB are not required to review these confidential forms.
Answer:
Dealers profit comes from the spread primarily. Spread is the differential amount between buying and selling.
Explanation:
Let us assume the price of security X is USD 100 (last trade price)
A dealer will purchase this security at discounted price from the investor say USD 99 and will sell the same security in the market at USD 100, thus earning spread.
Further being market markers, dealers often use multiple strategies to prop up the price of particular security and earn gains on inventory held.
Answer
The answer and procedures of the exercise are attached in the following image.
Explanation
Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in a single sheet with the formulas indications.