Suppose the world supply curve is p equals 20 plus 0.02 Upper Q Subscript font size increased by 1 sp=20 0.02Qs, and the demand curve of other countries of the world is p equals 80 minus 0.02 Upper Q Subscript Upper Dp= 800.02QD. The excess or residual supply function is Part 2 A. Upper S Superscript r Baseline left parenthesis p right parenthesis equals negative 5 comma 000 plus 100 pSr(p)=5,000 100p. B. Upper S Superscript r Baseline left parenthesis p right parenthesis equals negative 6 comma 000 plus 100 pSr(p)=6,000 100p. C. Upper S Superscript r Baseline left parenthesis p right parenthesis equals negative 5 comma 500 plus 100 pSr(p)=5,500 100p. D. Upper S Superscript r Baseline left parenthesis p right parenthesis equals negative 3 comma 900 plus 100 pSr(p)=3,900 100p. Part 3 The excess or residual supply at a price of $60 is Part 4 A. 2,000 B. 1,000 C. 3,000 D. 500