A solution designer has to develop a 1040EZ tax processing capture application. It is required that the application have rules to detect and perform validations on each of the following requirements: 1)Social Security Field’s Length should be tested to make sure its length is exactly nine characters. 2) Validate the AdjustedGrossIncome field as total sum of other fields mainly: Total Wages, Taxable Income, Unemployment compensation. Which of the following validation functions should be performed at the DCO field level to meet these requirements in that order ?
A. IsFieldLengthMin, Calculate
B. IsFieldLengthMax, Calculate
C. IsFieldLengthMin, IsFieldLengthMax
D. IsFieldLengthMin, IsFieldLengthMax, CalculateFields