1. Write a program in Java that should do the following: a. Prompt the user to enter 3 grades (assume the grades are integer numbers) b. Compute the average of the 3 grades by calling a method, named average() c. Print the resulting average as a formatted output limiting to 2 decimal places. The average() method will: a. take 3 integer values as the input parameters, b. calculate the average of the three integers, c. return the average. Sample output (assuming the three grades are 89, 93, and 72): The average is 84.67

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