apter 2 Interpreting the Results Discover MasterCard Proprietary Card $241.00 $241.00 $553.60 $386.00 $939.60 $4,709.86 $880.75 $5,590.61 $342.40 $286.00 $628.40 $5,871.86 $1,859.75 $7,731.61 Which statement below offers the correct analysis and best insight about your customers in the context of these two variables? Oa. Since greater than 95% of all Promotional Sales dollars were made by customers having a Proprietary Card, the other 5% who are not using a Proprietary Card should be encouraged to apply for one. Visa Grand Total O b. Promotional Customers using a Proprietary Card accounted for more than 72% of overall sales dollars. Therefore it may be a good marketing decision to promote Proprietary Cards to gain more customers during similar promotions. O c. Promotional Customers using a Proprietary Card accounted for greater than 80% of all Promotional Sales dollars and nearly 61% of total sales dollars. Since so many new customers made purchases on their Proprietary Cards, the marketing effort appears to