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Using knowledge of PED, when should a firm decrease the price of a good to maximise revenues?

A firm should only decrease the price of a good if the good is price elastic (PED>1). This is because in percent decrease in price will result in a greater percent increase in quantity demanded so revenue...
Answered by • Economics tutor
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What is the function of coronary arteries?

The function of coronary arteries is to carry oxygenated blood to the myocardium (heart muscle).
Answered by • Biology tutor
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Name and draw the mechanism by which benzene reacts with ethanoyl chloride in the presence of a catalyst. Also explain why benzene undergoes a substitution reaction, rather than an addition reaction.

Electrophilic substitution. (drawn) AlCl 3 + CH 3 COCl --> AlCl 4 - + CH 3 CO + (drawn) Then the electrophile CH 3 CO + attracts electrons from benzene's delocalised ring to form an intermediate, that the...
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Answered by Matthew S. • Chemistry tutor
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“In Gothic writing, women are presented as either innocent victims or sinister predators or are significantly absent.” Consider the place of women in gothic writing in light of this comment.

“In Gothic writing, women are presented as either innocent victims or sinister predators or are significantly absent.” Consider the place of women in gothic writing in light of this comment. Women hold extre...
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How does a corrie form over time?

A corrie is a hollow in the mountain side, facing North or North-East so recieves less sunshine. Over time as snow turns to ice, air is pushed out and the resultant mass is compressed and more dense. This pr...
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Answered by Leila P. • Geography tutor
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