What was one of the main problems with states controlling their own currency?
a.
states always had to pay the national government more money than they were able to produce.
b.
states could make their own money and assign it a specific value.
c.
paper money would only last a few months and had to be replaced.
d.
state produced currency made interstate trade easier to control.

"States could make their own money and assign it a specific value" was one of the main problems with states controlling their own currency. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your desired help.

The correct answer is "B".

Explanation:

One of the main problems of the states belonging to a country to control their currency is that they could assign a specific value to each one. This causes the currency to have a subjective value and it is difficult to control trade between states.

Have a nice day!

The expected return of the portfolio is 0.1256.

Explanation:

Note: This question is not complete. The complete question is therefore provided before answering the question as follows:

State        Probability    Stock A Return     Stock B Return    Stock C Return

Boom             0.32                  0.22                          0                        -0.07

Bust               0.68                  0.02                        0.21                       0.24

What is the expected return of a portfolio that has invested $9,805 in Stock A, $18,289 in Stock B, and   $6,201 in Stock C? (Hint: calculate weights of each stock first). Enter the answer with 4 decimals (e.g. 0.1234).

The explanation of the answer is now given as follows:

Step 1. Calculation of weights of each stock

Total investment = Amount invested in A + Amount invested in B + Amount invested in C = $9,805 + $18,289 + $6,201 = $34,295

Weight of stock A = Amount invested in A / Total investment = $9,805 / $34,295 = 0.2859

Weight of stock B = Amount invested in B / Total investment = $18,289 / $34,295 = 0.5333

Weight of stock C = Amount invested in C / Total investment = $6,201 / $34,295 = 0.1808

Step 2. Calculation of expected return of stock

Expected return of a stock = (Probability during Boom * Stock return during Boom) + (Probability during Bust * Stock return during Bust)

Expected return of stock A = (0.32 * 0.22) + (0.68 * 0.02) = 0.0840

Expected return of stock B = (0.32 * 0) + (0.68 * 0.21) = 0.1428

Expected return of stock C = (0.32 * (-0.07)) + (0.68 * 0.24) = 0.1408

Step 3. Calculation of expected return of the portfolio

Expected return of the portfolio = (Weight of stock A * Expected return of stock A) + (Weight of stock B * Expected return of stock B) + (Weight of stock C * Expected return of stock C) = (0.2859 * 0.0840) + (0.5333 * 0.1428) + (0.1808 * 0.1408) = 0.1256

Therefore, the expected return of the portfolio is 0.1256.