A agrees to manage operations for B, who legally manufactures indigo but also engages in illegal trade of other goods. B promises to pay A an annual salary of 10,000 rupees. The contract is considered void because the purpose of A's promise and the consideration for B's promise are partly ______________?
Explanation
The agreement is void since part of the consideration involves illegal activities. For a contract to be valid, the object and consideration must be entirely lawful. Here, because B's promise partly involves unlawful trade, the contract cannot be enforced.