Use the following graph, which shows the total income and disbursements in millions of dollars from the Social Security trust fund for the indicated years.
(GRAPH CAN NOT COPY)
Upon signing the Social Security Act into law on August 14 $1935,$ Franklin $\mathbf{D} .$ Roosevelt said, "We can never insure one hundred percent of the population against one hundered percent of the hazards and vicissitudes of life, but we have tried to frame a law which will give some measure of protection to the average citizen and to his family against the loss of a job and against Poverty-ridden old age."
Which year had the greatest net profit? What was the net that year?