true or false $1.$ The focus$-$differentiation strategy emphasizes low overall costs while serving a narrow segment of the market.

$2.$ Businesses that employ the focus strategy produce and market to the entire industry products or services that can be readily distinguished from those of their competitors.

$3.$ The combination strategy can also be referred to as multiple strategies.

$4.$ There is no advantage to the reactor strategic type.

$5.$ The generic strategy typologies developed by Porter and Miles and Snow possess both similarities and differences.

$6.$ Midsize businesses tend to be outperformed by their smaller and larger counterparts.