Refer to the following ERD CUSTOMER Customer ID Cust Name Cust Addrees Holds CARD MERCHANT Account ID Exp Date Card Type Merch Addr Card Type = DEBIT CARD CREDIT CARD Cur Bal CHARGES Bank No Charge Date Charge Time Let's make the following assumptions: * There are 12,500,000 customers. These customers have altogether 40,000,000 card accounts. 80% are credit card while 20% are debit card accounts. * There are 3,200,000 merchants. o On average, there are 30 charges per merchant, per dav. The range is very large. Customers are making on average, 2,000,000 requests per day to view their accounts and balances. .Merchants are making on average, 5,000,000 requests per day to view the transactions they have submitted to the bank. Based on these assumptions draw up a usage map. Refer to the following ERD CUSTOMER Customer ID Cust Name Cust Addrees Holds CARD MERCHANT Account ID Exp Date Card Type Merch Addr Card Type = DEBIT CARD CREDIT CARD Cur Bal CHARGES Bank No Charge Date Charge Time Let's make the following assumptions: * There are 12,500,000 customers. These customers have altogether 40,000,000 card accounts. 80% are credit card while 20% are debit card accounts. * There are 3,200,000 merchants. o On average, there are 30 charges per merchant, per dav. The range is very large. Customers are making on average, 2,000,000 requests per day to view their accounts and balances. .Merchants are making on average, 5,000,000 requests per day to view the transactions they have submitted to the bank. Based on these assumptions draw up a usage map