# Each credit card number issued by Vita Credit contains five digits. The last digit is det

**Question description**

Each credit card number issued by Vita Credit contains five digits. The last digit is determined by multiplying the second and fourth digits by two and then adding the prodcuts to the first and third digits. The last digit in the sum is then appended to the first four digits. Create an application that allows the credit manager to enter four digits. The apllication should calculate the fifth digit and then display the card number. First four digits 1 3 5 7 STEP 1: CALC *2 *2 1 6 5 14 STEP 2: ADD 1 + 6 + 5+ 14 = 26 STEP 3: DISPLY 135726

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