Analyze the graph below and answer the question that follows. Data courtesy of the World Health Organization and Goal USA According to the chart above, which of the following statements best describes the relationship between income and literacy in sub-Saharan Africa? A. Higher literacy rates result in higher income levels. B. Higher income levels result in higher literacy rates. C. Higher literacy rates result in lower income levels. D. Higher literacy rates do not necessarily result in higher income levels. Please select the best answer from the choices provided