To create an implied-in-fact contract, it must be established that a plaintiff provided a property or services gratuitously

Suppose A and B are two events where P(A ) = 0.3, P(B ) = 0.4, and P(A ? B) = 0.15. Then, P(A | B) = 0.3

Indicate whether the statement is true or false

The Starch Company experiences a 20% increase in sales over the previous year. However, gross profit actually decreased by 10% from the previous year. What are some of the possible causes for an increase in sales but a decline in gross profit?