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

$2\mathrm{.}5.$

$0\mathrm{.}4.$

$5\mathrm{.}0.$

$0\mathrm{.}5.$