Walter worked nights as a clerk at a fast food restaurant, during the summer. When Walter worked his last day before returning to college, His boss told him, "I am very greatful for your good work during this last summer, so I'm going to give you a bonus of $1,000.00 in your last paycheck." When Walter received his last paycheck, there was no bonus. If Walter sues, the likely result will be:. A. Walter will win because the promise is enforceable B. Walter will lose because he gave no consideration for the promise. C. Walter will lose unless the promise was in writingD. Walter will win because he is an employee