help me please: Write the definitions of the following functions: setWaitingTime getArrivalTime getTransactionTime getCustomerNumber of the class customerType defined in the section Application of Queues: Simulation //*************** customerType ************ void customerType::setCustomerInfo(int customerN, int arrvTime,                                     int wTime, int tTime) {     customerNumber = customerN;     arrivalTime = arrvTime;     waitingTime = wTime;     transactionTime = tTime; } customerType::customerType(int customerN, int arrvTime, int wTime,                            int tTime) {     setCustomerInfo(customerN, arrvTime, wTime, tTime); } int customerType::getWaitingTime() const {   return waitingTime; } void customerType::incrementWaitingTime() {     waitingTime++; }

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