Using the following decision table to code a COBOL nested IF test to assign avalue to WS-DISCOUNT-RATE. You must first test to make sure WS -AGE is the correct data type. If not, an appropriate message should be displayed. You may use magic numbers.

When WS -AGE PIC 99 is	WS-DISCOUNT-RATE PIC 9V99 is assigned to be
51-99	0.07
19-50	0.03
0-18	0.00