If the price of good is increased by 40% and the quantity demanded falls by 20%, the price elasticity of demand is said to be:

Obviously she is under-stress and needs to cool down. she needs to slow down and take a break from her job, not completely, but ask for shorter hours until she finds enough time to study, pass, and work. if she can't get shorter hours, she can try making a day or two to study. she can work full time and get minimum wage but minimum wage can only get you so far in life.

Competitive intelligence activities occur so that a company can use information about a competitor's new products to  develop superior marketing strategies for its own products.  when talking about  competitive intelligence, an easy way to  remember  these terms are to know your  enemy. when having  competitive intelligence it's allowing information you find out about other companies and how they run their company, the risks they have come in contact with and  opportunities they  haven't taken and figure out how to use them to your advantage. always be  smarter than your  competition. 

Scarcity means: the state of being scarce or in short supply; shortage. try c because it has the key words "limited supply"