Two good email etiquettes practices used in email are:
- Inserting a Subject
- Keep the email short and restricted to three paragraphs.
Two bad email etiquettes used in the email above are:
- Indiscriminate use of the exclamation mark
- Discussing personal issues in a formal email.
<h3>What are email
etiquettes?</h3>
The use of acceptable language, standards, and politeness in an email is referred to as email etiquette. Business emails often need formal language as well as rigorous respect to appropriate grammar and spelling.
Five useful E-mail Etiquette are:
- Address your addressee appropriately. Check, double-check, and triple-check that you have the right spelling of the recipient's name and title.
- Proper greetings and closing statements should be used.
- Format correctly.
- Avoid using ALL CAPS.
- Large files should be compressed.
Learn more about email etiquette:
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Answer:
21
Explanation:
Given that:
The utility function U(x, y) = 
The budget line income is:
105=4x +3y
The equation MRTS is:

where;


and:


∴
Using the equation MRTS:



4x = 12y
x = 12y/4
x = 3y
Replacing the value of x into the budget line income, we have:
105 = 4x + 3y
105 = 4(3y) + 3y
105 = 12y + 3y
105 = 15y
y = 105/15
y = 7
Then, from x = 3y
x = 3(7)
x = 21
Thus, she will consume 21 gapefruits
Answer:
The effective rate of protection for the U.S. steel industry is approximately 17.5%
Explanation:
Mathematically, the effective rate of protection is calculated as follows;
e = (n-ab)/(1-a)
where n is the nominal tariff rate on the final product , a is the ratio of the value of the imported input to the value of the finished product and b is the nominal tariff rate on the imported input
Mathematically;
a = value of iron ore/value of steel = 100,00/500,000 = 1/5 = 0.2
From the question, we can see that nominal tariff rate for steel n = 15% = 15/100 = 0.15
The nominal rate for iron ore b = 5% = 5/100 = 0.05
So we substitute all of these into the equation of e above
e = {0.15-0.2(0.05)}/(1-0.2) = (0.15-0.01)/0.8 = 0.14/0.8 = 0.175 which is same as 17.5%
Answer: Information Support and Services, and Programming and Software Development