1. Cb_primeNumbers
2. Post inv_shared.of_primeNumbers(1,1000,inv_IntfObj)
3. Calculates all the prime numbers and saves them to an instance array
4. Post inv_IntfObj.of_returnPrimeNumber() which passes the prime numbers to
5. W_sales.of_returnPrimeNumbers which
6. Populates the DropDownListBox with prime number