Answer:
It will take 18.041 years to triple the investment.
Explanation:

We need to solve for delta:
![\delta = \sqrt[11.5530]{2} -1](https://tex.z-dn.net/?f=%5Cdelta%20%3D%20%5Csqrt%5B11.5530%5D%7B2%7D%20-1)
delta = 0.06183353
now solve for this rate compounding twice per year to triple the investment:

we use logarithmics properties and solve for n:
[tex]2 \times n= \frac{log3}{log(1+06183353/2)
n = 18.04051743
It will take 18.041 years to triple the investment.
Example of a situation in which a surplus of a product leads to decreased prices is food staples in America.
An example of a situation in which a shortage leads to increased prices is increasing prices of fuel due to a lack of fossil fuel availability.
<h3 /><h3>What is refers as a surplus of any product?</h3>
Surplus of any product refers to a situation when the availability of goods is in more quantity whereas the demands for the products are sufficient which makes it decrease in the prices of products.
Food staples like frozen foods and vegetables along with eggs are considered a surplus product in America.
The prices of fossil fuels are increasing in the world as they are obtained through fossils that are not available in abundance which creates high demands for daily consumption and results in shortage.
Learn more about the shortage, here:
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Answer:
The correct answer is durable; instability.
Explanation:
The stock of capital goods in hand affects investment spending. If there are sufficient capital goods in hand, the purchase of more goods will be uneconomical.
Capital goods are durable so their purchase can be postponed just like durable consumer goods. But this makes changes in investment spending unpredictable and unstable.