QUESTION $14$

Although contracts, as a general rule, must be specific, definite, and not overly vague, when two merchants are involved in the sale of goods, it is possible that the quantity element could be missing in the agreement. Thus, when company A says to company B$,$ "I will buy all that I need," this type of agreement is called a$($n$\text{'}$ contract.

a$.$ Requirements

b$.$ Output

c$.$ Quasi

d$.$ Dutch