If a country’s national income increased from N1000 billion over a period of 2 years, what was the average annual rate of growth of national income over the period? by Sunday | Aug 1 | Economics WAEC | 0 comments A. 5% B. 15% C. 20% D. 100% Correct Answer: Option A – 5% Users Also Read These:The value of goodwill calculated at 3 years purchase…The population of a town in 1975 was 210 000 but…The reserve of tar sands oil in place in…A motorized sprayer was purchased at N2,000.0 and…In a country, if the proportion of people who are…