What are the contrapositive of the conditional statement “Medha will find a decent job when she labour hard.”?

• A. “If Medha labour hard, then she will find a decent job.”
• B. “If Medha will not find a decent job, then she not labour hard.”
• C. “If Medha will find a decent job, then she labour hard.”
• D. “If Medha not labour hard, then she will not find a decent job.”