The population of a country X in 1990 was 35 million. The births were 450,000 while it recorded 210,000 deaths. If in the same year, its immigrants were 20,000 and 10,000 of its citizens left the country, calculate the total population of the country at the end of 1990.

• A.24,250,000
• B.25,350,000
• C.34,750,000
• D.35,250,000