Answer:
it is easier to multiply first and then to place the decimal point. Multiply the factors as if they were whole numbers. Disregard the decimal point until you place it in the product.
Let
and 

We have 
Therefore

We have the equation of a line:
.
Put the coordinates of the point (8, 1) to the equation of a line:


<em>subtract 11 from both sides</em>

Answer: 
Based on the par value of the bond and the percentage it was issued at, the cost of the bond is $852.50.
<h3>What is the cost of the bond?</h3>
The current cost of the bond is the present value of the bond's cashflows and its par value.
This is taken into account when the bond is issued at a certain percentage which in this case is 85 ¹/₄%.
The cost of the bond is:
= 1,000 x 85 ¹/₄%
= $852.50
Find out more on the cost of bonds at brainly.com/question/15567868.
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19.B 20. D 21. A. 22. A
You just put in calculator make sure you click the mode button and highlight degree so it can work