I need help on this Accounting problems. Document is enclosed. Thanks.

Assignment 5: Apple's Working Capital Report Overview of the Assignment A key determinant of Apple's operating profitability is how they manage their cash and working capital. 1. Assuming that Apple makes all sales on account, compute the amount of cash collected from customers during 2014. 2. Compute the cost of inventory (either newly purchases or manufactured) during 2014. 3. Assume that all of Apple's inventory purchases are made on account, compute the amount of cash paid to suppliers of inventory during 2014. 4. Identify Apple's working capital and current ratio in 2014. Comment on how have they changed from 2013? Identify the sources of the changes. The data should be here: http://www.sec.gov/cgi-bin/viewer? action=view&cik=320193&accession_number=0001193125-15356351&xbrl_type=v