Can you show work for each problem please?

$4)$ The roof framing plan shown above supports $10$psf total dead load, this dead load does not include the self weight of the structural members.

$-$ Does not include self weight$+$

$($a$)$ What is the required $2$ x rafter size for this framing using DF$-$No$\mathrm{.}1?$

$($b$)$ What is the required capacity for the $4$x$6$ interior beam using DF$-$Select Structural?

$($c$)$ What is the required capacity for the $6$x$20$ edge beam using DF$-$Select Structural?

$($d$)$ Does the $6-3/4$ x$33$ GLB using $26$F$-1\mathrm{.}9$E work to support this demand?