nation a's real gdp was $520 billion in year 1 and $550 billion in year 2. its population was 150 million in year 1 and 155 million in year 2. on the other hand, nation b's real gdp was $200 billion in year 1 and $210 billion in year 2; and its population was 53 million in year 1 and 55 million in year 2. which of the following statements is true? multiple choice nation a's and nation b's gdp per capita both decreased. nation a's gdp per capita increased, while nation b's decreased. nation b's gdp per capita increased, while nation a's decreased. nation a's and nation b's gdp per capita both increased.