If the resin is cured at $80C$ for $8$ hours, calculate its glass transition temperature using the Di Benedetto Equation. Assume the Di Benedecto constant $()$ for this resin system is $0\mathrm{.}4.$

IUg $[$ IIIE$($SEC$)]$

A$.103C$

B$.61C$

C$.80C$

D$.93C$

E$.-38C$