An application calculates an ending inventory amount based on a beginning inventory amount, sales, and returns. you need to create a function to calculate the ending inventory using three passed integer variables: intbegin, intsales, and intreturns. which of the following procedure headers should be used? a. private function get end inventory(byval intbegin, byval intsales, byval intreturns) as integerb. private function get end inventory(byval intbegin as integer, byval intsales as integer, byval intretums as integer, by ref int end as integer) as integerc. private function get end inventory(byval intbegin as integer, byval intsales as integer, byval intreturns as integer) as integerd. private function get end inventory(byval intbegin as integer, byval intsales as integer, byval intreturns as integer)