Suppose a toy company cuts the price of its dolls by $10$ percent, and as a result, the quantity of dolls sold increases by $25$ percent. This indicates that the price elasticity of demand for dolls over this range is

Group of answer choices

$2\mathrm{.}5.$

$0\mathrm{.}4.$

$5\mathrm{.}0.$

$0\mathrm{.}5.$  Murray is given the choice between simply having $$50$ for certain, or flipping a coin and if it is heads, he gets $$100,$ if it is tails he gets $$0.$  If Murray chooses the $$50,$ an economist would say Murray's preferences toward risk are

Group of answer choices

risk averse

risk certain

risk neutral

risk loving