The following table summarizes findings from a study done by Apple concerning working conditions in factories operated by its suppliers. Under pressure from consumers concerned about working conditions in China, Apple visited its suppliers and evaluated the labour conditions. Several problem areas surfaced. Issue Percentage Supplier does not limit working hours per week 62 Supplier does not comply with rules for hazardous substances 32 Supplier does not follow Apple's safety standards 35 (a) Would it be appropriate to summarize these responses together in a single bar chart? (b) What sort of chart would you recommend summarizing these results