$11.$ Why does a firm like Amazon have large amounts of accounts payable?

$($a$)$ Because they have a large retail presence

$($b$)$ Because they have high levels of accounts receivable

$($c$)$ Because serving businesses tends to lengthen the receivable period

$($d$)$ Because suppliers tolerate Amazon$$s payment process as a cost of access to their platform

$12.$ Why does a firm like Pfizer have large amounts of other assets?

$($a$)$ This is a result of the high valuation of Pfizer$$s brand, accelerated by the Covid vaccine

$($b$)$ This is a result of leases and other non$-$owned property used in pharma manufacturing

$($c$)$ This is a result of low asset turnover

$($d$)$ This is a result of intangibles, like patents & goodwill, and Pfizer has been acquisitive