According to the revenue principle, revenues should be recognized when they are earned, which happens when the company performs acts promised to the customer. For most businesses, this condition is met at the point of delivery of goods or services. Required: The following transactions occurred in September 2017. For each of the transactions, if revenue is to be recognized in September, Indicate the amount Amount Transaction a. A customer pays $12 cash for 12 song files from Apple's iTunes store. Answer from Apple's standpoint. b The Home Depot provides a carpet installation for $2,200 cash. A comparable installation by other companies costs $3,200. Shaw Communications is scheduled to install digital cable at 1,100 homes during the month of c. September. The installation charge is $104 per home. The terms require payment within 30 days of installation. Answer from Shaw's standpoint d. Shaw completes the installations described in (c). Answer from Shaw's standpoint Shaw receives payment from customers for the installations described in (c). Answer from Shaw's standpoint A customer purchases a ticket from WestJet in September for $520 cash to yel in December. Answer from WestJet's standpoint. e