Answer:
The correct answer is letter "B": Be tailored to the specific needs of an individual decision maker.
Explanation:
Managerial accounting mainly focuses on collecting information from the operations of the firm given a specific period so decisions can be taken according to the situation of the company. If it is not meeting expectations, managers could shape the current strategy to fulfill the specific manager and overall company's objectives.
For the given question, the summation that represents the money in account is:

The principal amount if compounded annually, the formula that represents the amount to be received after n years is:
where A is the amount received after compounding, P is the principal, r is the rate of interest and t is the tenure.
<h3>Solution:</h3>
Given:
Annual interest rate(r) is 5.5%
Principal is(P) $300
Tenure is(t) 10 years
On substituting the values in the formula 
The amount received after compounding at the end of 1 year will be:

Similarly, the amount to be received after 2 years will be:

The amount received after 10 years will be:
upto 10 years
Therefore the summation that represents the money in account after 10 years is:

Learn more about compound interest here:
brainly.com/question/25857212
Answer:
The ansewr is a barter based economy.
In a barter based economy, goods are exchanged for other goods, because no good that takes the functions of money exists (unit of account, store of value, and medium of exchange).
Barter economies can work on a limited scope, but to a larger extent, they can become inefficient, because this type of economy requires a double coincidence of wants: both parties of the transaction must desire the other party's goods.