Laborers Working on a Building Are Promised by Their Contractors

Multiple Choice

Laborers working on a building are promised by their contractors that their wages would be paid at the end of every month.The laborers also in return promise to work from the beginning of the subsequent month.When the laborers have worked for the entire duration of the month and are awaiting their wages at the end of the month,the contract is ______.

A) void
B) executory
C) implied
D) executed
E) unilateral