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Maud Jean Louis

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$11.)(3)$ Create a "getCustomerIndex" private method to return the index in the array of the Customer Name. If the Customer ID is not found, return $-1.$

$12.)(5)$ Create an "updateTransaction" method to accept a Customer Name, Transaction Type and Amount as parameter, and update the Total Amount. Print a message for a successful or unsuccessful transaction. Increase transaction count by $1$ if successful. Valid Transaction Types are:

i$.$ credit $-$ increases total amount

ii$.$ debit $-$ decreases total amount

$13.)(5)$ Create a "displayCustomerList" method that generates a summary report

i$.$ The title is right justified with a minimum of $32$ characters

ii$.$ Column $1$ is left justified with a minimum of $25$ characters, and will display the Customer Name

iii. $$ Column $2$ is right justified with a minimum of $23$ characters, and will display the Total Amount to two decimal place$14.)(5)$ Create a "displayHistorgram" method that generates a transaction count report

$$ The title is right justified with a minimum of $32$ characters

$$ Each name is right justified with a minimum of $27$

characters. Include the customer ID number.

$$ For each transaction, print an asterisk $*.$

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