code overloaded versions of the headers for methods called inventorydata. they are static. the parameter variable names can be derived from the instructions. watch your spacing! does not return or receive any values. //1st overloaded method header receives the name of an inventory item. //2nd overloaded method header receives the price of an inventory item. //3rd overloaded method header receives the price and quantity of an inventory item and returns an item total. //4th overloaded method header receives an inventory item's integer-based item number and returns the name of the item. //5th overloaded method header