solve this problem and check your work

Angela, Boris, and Carlos are dividing the vanilla-strawberry cake shown using the lone-chooser method. The table to the right Strawberry Vanilla shows the value that each player places on each part of the cake. Suppose that Angela and Boris are dividers and Carlos is the Angela $2' $7 chooser. In the first division, Angela cuts the cake into two shares, s, and S2. Boris picks the share he likes best, and Angela Boris $18 $2 gets the other share. In the second division, Angela subdivides her share of cake into three pieces and Boris subdivides his Carlos $11 $22 share of cake into three pieces. Answer parts (a) through (d) below. (a) Describe which share (s, or s2) Boris picks and how he might subdivide it. The shares are shown. Share s, is a 120 strawberry-only piece and share s, is a 60 $2 strawberry-180 vanilla piece. Which share does Boris pick? O S2 O S1