Answer:
A. the change in the value of the optimal solution.
Explanation:
- A shadow pricing is associated with each constraint of the model and is the instantaneous changes that occur in the objective model of the optimal solution that is obtained by changing the right-hand side constrained by one unit and a reduced cost is associated with each variable of the model. Also referred to as a monetary values that is assigned to the current unknowable or difficult to calculate costs.
Those who try to benefit from a carry trade are hoping to borrow money at a low interest rate so that they can invest in something that will provide a higher return. People commonly do this between different foreign exchange markets to make the most on their return from investing in different country currencies.
For this case we have an equation of the form:

Where,
A: initial amount
b: growth rate
x: number of years
Substituting values we have:

By the time the earnings increase to 75000 we have:

From here, we clear x:
Answer:
you will have to wait until 23.95 years your winnings are worth $ 75,000
Answer:
D. Separation of Duties
Explanation:
Separation of duties also know as segregation of duties refuses that one person he responsible of acquisition of assets, their custody and related record keeping. The process in which Karen is using to prevent fund by separating individuals who as the authority to issue checks is known as separation of duties. It is a form of internal control aimed at reducing risk of errors and frauds.