Ron buys a painting and shows his friend Sam. Sam wants to buy it and says he will pay him monthly, if he fails to pay his brother will pay monthly. Sams brother Mike called Ron saying he will make good on the payments. He explained he would love it in their family home and he wouldn't mid taking it over. Mike then sent over a contract saying, "Mike , hereby agree to pay $36,000 for the original painting in equal payments of $1,000 until paid in full. If I fail to make the payments, my brother agrees to make good on my debt. Best regards, Mike".

Ron wrote back accepting his ofer. Three months later the housekeeper ruined the painting, If Ron sues Sam, what will his best defense be? Discuss both sides fully using IRAC method