what's the answer for 14-15 multiple choice answer

Sally orally agrees to pay her plumber Michael $500 cash to avoid payment of HST. If Michael sues to enforce the promise, which of the following will be true: @)1. Michael will not be able to enforce the agreement unless he can show that he has performed his side of the bargain 2. The agreement will only be enforceable if Michael can use independent witnesses to prove the existence of the contract 3. The contract is fully enforceable. 4. The agreement is unenforceable because it is has the illegal purpose of evading the payment of tax 5. As the agreement was made orally it is not enforceable. QUESTION 15 1 points Maria went on vacation in May. She expected that her garden would be fine because May is normally a very rainy month. In fact, it did not rain at all during May. Her neighbour, Hector, therefore watered her garden because he knew that she would not want her plants to die. When she returned from her vacation in early June, she thanked Hector and promised to pay him $200 for his time and effort. Which of the following statements is most likely to be TRUE? C 1. Hector is not entitled to payment because his services wore not given in return for Maria's promise. 2. Marla is contractually liable, but if the market value of her services is less than $200, then Hector is entitled to collect only the lossor amount. 3. The concept of past consideration does not apply because Hector never gave any sort of promise 4. Maria's promise would be unenforceable even if it was placed under a red seal 5. Maria is contractually liable as long as a reasonable person in her circumstances would have agreed to pay for Hector's services