Answer:
The cost price was increased by 33.33 % to provide this profit
Explanation:
Given:
Cost price =  $3
Selling price  = $4
Gross profit  = $1
To Find:
Profit percentage =?
Solution:
Profit Formula calculates the net gains or losses incurred by subtracting total expenses from total sales. 
Now profit  = 4 - 3 = 1
Now the profit percentage can be found by
=
=
=
=  33.33%
 
        
             
        
        
        
She will demand they recognize her superiority.
I worked with a lady like this once. It was a real treat.
        
             
        
        
        
C would be the least powerful, as the speaker's uncle is not acclaimed on the subject of HIV at all. 
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PM me for more awesome answers! - Boodle
        
             
        
        
        
Answer:
The trees that have a thick, waxy coating on their surface of their needles, are found in the Taiga biome. The plant diversity is less in such ecology. The most common types of trees are the conifers. 
Adaptation of waxy coating and needles help them to retain water, and protect them from cold. 
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