Lightspeed Company is a fast-growing highly profitable telecommunications company. The profit margin of Lightspeed is 20% higher than its competitors, though the specific reason for the higher profitability is not known. Some are concerned that Lightspeed may be capitalizing telecommunication line maintenance expense items to improve the bottom line. Required: (A) Describe the guidelines for the capitalization of spending. (B) Identify three substantive audit tests that would inform the auditor of inappropriate capitalization of expenses by a client