in C++ Inventory Program Write a program that uses a structure to store the following inventory information in a Binary file and access it using Random Access Method: Item description Quantity on hand Wholesale cost Retail cost Date added to inventory The program should have a menu that allows the user to perform the following tasks: Add new records to the file Display any record in the file Change any record in the file For exact menu option text please see the test cases below:

For data file opening logic, you may use the code segment below: This segment tries to open an existing file, if the file does not exist, it creates new one. Please note that your data file name should be inventory,dat

fstream inventory; inventory.open("inventory.dat", ios::out|ios::in|ios::binary ); if (inventory.fail()) { inventory.open("inventory.dat", ios::out|ios::in | ios::binary| ios::trunc ); if (inventory.fail()) { cout << "Error opening file...."; return 0; } }

Test Cases:

Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 1 Enter the NEW Record Data: Desciption: Coffee Quantity: 20 Wholesale Price: $10 Retail Price: $15 Date Added: 02022018 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 2 Which Record to DISPLAY: Please choose one of the following... 1 to 1 : 1 Description: Coffee Quantity: 20 Wholesale Price: $10.00 Retail Price: $15.00 Date: 02022018 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 1 Enter the NEW Record Data: Desciption: TEa Quantity: 30 Wholesale Price: $30 Retail Price: $40 Date Added: 03032018 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 2 Which Record to DISPLAY: Please choose one of the following... 1 to 2 : 2 Description: TEa Quantity: 30 Wholesale Price: $30.00 Retail Price: $40.00 Date: 03032018 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 3 Which record to MODIFY: Please choose one of the following... 1 to 2 : 2 Description: TEa Quantity: 30 Wholesale Price: $30.00 Retail Price: $40.00 Date: 03032018 Enter MODIFY Data: Desciption: TEa Powder Quantity: 10 Wholesale Price: $10 Retail Price: $15 Date Added: 03032017 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 2 Which Record to DISPLAY: Please choose one of the following... 1 to 2 : 2 Description: TEa Powder Quantity: 10 Wholesale Price: $10.00 Retail Price: $15.00 Date: 03032017 Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 4 Thank you! Test CAse2: Inventory Program Menu 1. ADD NEW Record 2. DISPLAY Record 3. MODIFY Record 4. EXIT Program please enter selection (1 - 4) : 5 Please enter a valid choice (1 - 4): 4 Thank you!