Mr. Chow, Ms. King, Mr. Jolly and Ms. Bee formed a partnership an Jan. 01, 2017 with original capital contributions of P300,000, P100,000, P200,000 and P400,000, respectively. On Jan. 01, 2019, capital accounts Of Mr. Chow, Ms. King, Mr. Jolly and Ms. Bee showed the beginning balance for the year of P450,000, P300,000, P250,000 and P400,000, respectively. On Sept 30, Mr. Chow and Ms. King invested P100,000 each. Ms. Bee withdrew her investment of P100,000 on Oct. 01 for personal reasons. The partnership suffered a net loss of P240,000.

How much is the average capital balance of Mr. Chow for the year 2019?