$2.(0,1$ or $2$ points$).$ How is SCA$1$ usually measured?

$($see Marketing Plan Delivery $1-$ Item $4)$

$3.(0,1$ or $2$ points$).$ How is SCA$2$ usually measured?

$($see Marketing Plan Delivery $1-$ Item $5)$

$4.(0,1$ or $2$ points$).$ How is SCA$3$ usually measured?

$($see Marketing Plan Delivery $1-$ Item $6)$

$5.(0,1$ or $2$ points$).$ How is SCA$4$ usually measured?

$($see Marketing Plan Delivery $1-$ Item $7)$