Answer:
Best effort sale
Step-by-step explanation:
In the case when the issue is either fully sunscribed or sold so the method than generate the more capital for the firm i.e. issue is best effort sale
But before that we have to compute the weighted average price i.e.
= $32 × 0.2+ $36 × 0.3 + $42 × 0.5
= $6.4 + $ 10.8 + $21
= $38.2
As the weighted average price is more than the $36 so the best effor sale should be selected