USWMIWHM 6. The gure to the right shows the rate at which a country's oil was produced and imported between 1920 and 2005 in units of millions of barrels per day. The total amount of oil produced or imported is given by the area under the corresponding curve. Be careful with the units because both days and years are used in this data set. Answer parts a and b below. a) Use numerical integration to estimate the amount of oil produced between 1910 and 2000' Use any method and experiment with values of n. Choose the correct answer below. W" 3.40 x1011 barrels 3* 5.50 )(101' barrels c. 3.40::101" barrels 0' 6.60x 1010 barrels b] Use numerical integration to estimate the amount of oil imported between 1940 and 2000. Use any method and experiment with values of n. Choose the correct answer below. 0 A' 8.293(1011 barrels 0 3 1.'l'1>