Sentinel-controlled repetition to allow a user

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Reference no: EM13164514

Define method headers for computeAverageSales() and computeShipping Charges() according to the following requirements.

The computeAverageSales() method should use sentinel-controlled repetition to allow a user to enter product sales data until the user has indicated that he or she is done. The average of the entered sales data will be computed and returned by the method to be displayed by the application. For example, if the user entered 500.50, 250.50, and 300.30, then the average sales would be computed for these 3 values and returned by the method. The prompting of the sales data is done within the method. If the value of the average sales exceeds, $200.00, a message should be displayed to alert the user that the product has produced a significant amount of revenue. The computeAverageSales() method should return type "double."

The computeShippingCharges() method should use sentinel-controlled repetition to allow a user to enter shipping data until the user has indicated that he or she is done. The total shipping charges will be computed and returned as a double value.

Reference no: EM13164514

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