The accompanying line chart shows the major spending categories of the federal budget over the last 50 years. (Payments to individuals includes Social Security and Medicare; net interest represents interest payments on the national debt; all other represents non-defense discretionary spending.) Complete parts (a) through (b) below. a. Find the percentage of the budget that went to net interest in 1990 and 2012.The percentage of the budget that went to net interest in 1990 is approximately %. Answer – 10 %(Round to the nearest integer as needed.)The percentage of the budget that went to net interest 2012 is approximately %. Answer – 5%(Round to the nearest integer as needed.)b. Find the percentage of the budget that went to defense in 1960 and 2012.The percentage of the budget that went to national defense in 1960 is approximately %. Answer – 55%(Round to the nearest integer as needed.)The percentage of the budget that went to national defense in 2012 is approximately %. Answer – 20%(Round to the nearest integer as needed.)