Answer:
a) 
b) 
c) For this case we have the total sales $ 15 millions after t =4 months
d) 
e) This value represent the increase in the amount of sales in millions after t=4 months
Explanation:
For this case we have the following function for the sales

Part a
For this case we want to find the derivate of S respect to t and we got:

Part b
For this case we want to find the value of S when t = 4 so if we replace we got:

Part c
For this case we have the total sales $ 15 millions after t =4 months
Part d
For this case we just need to replace t=4 in the derivate and we got:

Part e
This value represent the increase in the amount of sales in millions after t=4 months
Answer: Efficiency.
Explanation:
An economy is said to be efficient if the economy is able to make the best use of the available resources found in that economy, in meeting the needs of consumers within the economy and even exporting to consumers found in other economies.
Answer: Routine problem solving
Explanation:
As stated in the question the customer buys flour and soap they are familiar with when making purchase without spending time to evaluate alternatives, this is a typical example of routine problem solving in making purchase decision.
Routine problem solving is a form of decision making in purchase where consumers purchase products they are familiar with, without paying much considerations to other options available.
Answer:
An increase in the change in supply shifts the supply curve to the right, while a decrease in the change in supply shifts the supply curve left....
Answer:
Statement Savings Account is said to be a deposit account held by a bank where a customer can earn interest .
In Statement Savings Account, the interest will be relatively low and there may be a possibility of restricted number of withdrawals.
In Statement Savings Account, the interest rate gained can either increase or decline overtime while putting into consideration the interests rate set by the federal reserve.
In Statement Savings Account, a good number of this said savings investment offers debit cards which allows a customer to withdraw money via an ATM Machine or through electronic transfer.
In Statement Savings Account, there may be restrictions as regards the minimum account balance.
while
- In Certificates of Deposit, there is a strict requirement of meeting a minimum account and not being able to execute withdrawals from the said account for a given duration.
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In Certificates of Deposit, there is a significantly higher interest rate that that of a savings account.
- In Certificates of Deposit, a penalty is put in place for initiating withdrawals prior maturity.
- In Certificates of Deposit, one is allowed to carry out withdrawals or roll the funds into a another certificate of deposit once the certificate of deposit term is completed.