The annual stockholders' report for Corporation X stated that profits were up 10 percent over the previous year, although profits as a percent of sales were down 10 percent. Total sales for that year were approximately what percent of sales for the previous year?
78%
90%
110%
122%
190%
1.1*P1/ S2=0.9*P1/S1
S2=1.1*S1/0.9=1.222*S1