Ammonia enters the expansion valve of a refrigeration system at a pressure of 14 bar and a temperature of 30.63\deg C and exits at 4.5 bar. If the refrigerant undergoes a throttling process, what is the quality of the refrigerant exiting the expansion valve? Submit your answer in percentage (e.g. if your answer is 0.1234, submit 12.34). Please give me the right answer thank you