A23.4%B25.6%C18.5%D21.6%Answer: D. 21.6% Read Explanation: total sale of may125+140+188+125=578125+140+188+125=578125+140+188+125=578vishal's sale=125percentage of contribution =125/578=0.216=21.6= 125/578=0.216=21.6=125/578=0.216=21.6% Read more in App