please answer 28 and 29

28. 29. Use a Venn Diagram and the given information to determine the number of elements in the indicated region. n(A U B U C) = 85.1204 M? n C) = 12.n(A M?) = 26.1104 n C) = 23.1108 n C) = 21.n(A) = 61,110?) = 42, and n(C) = 40. Find n(A' n B n C). A survey of 100 bank customers revealed that 53 of them have a savings account, 63 of them have a checking account, 22 of them have a savings account and a loan, 16 of them have a checking account and a loan, 27 of them have only a checking account, 12 have a savings account and a checking account and a loan. Assume that every customer has at least one of the services. a. Determine the number of customers who have checking or savings accounts but no loans. b. Determine the number of customers who have a loan but do not have a savings account. c. Determine the number of customers who have a checking account but no savings account