Joyce collects Starwars figurines and Avenger dolls. Let S and A designate the number of pieces in each collection. Her utility functionis U(S, A) = max{2S, A}. Joyce has $900 to spendon her collection. If Starwars figurines cost $50 and Avenger dolls cost $20, in Joyce'soptimal bundle, the number ofAvenger dolls is ?

I need help with this question