Growth and development: In 2017, Ethiopia had a per capita income of $1,600, about $4 per day. Compute per capita income in Ethiopia for the year 2050 assuming average annual growth is (a) 1% per year. (b) 2% per year. (c) 4% per year. (d) 6% per year. (For comparison, per capita income in Mexico in the year 2017 was nearly $17,000, about 30 percent of the U.S. level.)