The regression equation netincome = 2,159 + .0312 revenue was estimated from a sample of 100 leading world companies (variables are in millions of dollars).

(a-1) calculate the residual for the x, y pair ($45,533, $2,697). (a negative value should be indicated by a minus sign. round your answer to 4 decimal places.) residual
(a-2) did the regression equation underestimate or overestimate the net income? the regression equation overestimated the net income. the regression equation underestimated the net income.
(b-1) calculate the residual for the x, y pair ($60,417, $3,497). (a negative value should be indicated by a minus sign. round your answer to 4 decimal places.) residual
(b-2) did the regression equation underestimate or overestimate the net income? the regression equation overestimated the net income. the regression equation underestimated the net income.