I think true for both but not sure

Terry spends all his income on golf and coffee. His income is $120 per week and he buys 10 rounds of golf and 10 cups of coffee. The price of a round of golf is $10 and the price of a cup of coffee is $2. When Terry income falls to $100, he buys 9 rounds of golf and 5 cups of coffee. Based on this information, determine whether each of the following statements is true or false and explain your reasoning. a) Golf is a normal good and coffee is an inferior good. b) Golf is a luxury good for Dan