A) Enhance the phpfile so it tests the interest rate entry to make sure it is alsoless than or equal to 15. To do that, use an OR operator. If therate isn’t valid, display an error message reading “rate must begreater than zero and less than or equal to 15.”
B) Modify the php fileso it tests the years entry to make sure it is a valid numberthat’s greater than zero and less than or equal to 50. if it isn’t,display an error message like the first one.
C) modify the php fileso it uses embedded PHP to display
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