Based on the following confusion matrix with a validation set of 100, class 1 reflects the members who purchase additional services and class 0 reflects the respondents who did not purchase these services. Our model predictions are cross-tabulated with these responses in the confusion matrix. With future use of this model, those who are predicted to purchase the services will be targeted with a personalized ad and those not predicted to purchase the services will not be targeted with a personalized ad. Calculate the overall accuracy rate. Actual Class Predicted Class 1 Predicted Class 0 Class 1 18 10 Class 0 12 60 Multiple Choice 18% 60% 78% 28% 30%