both please

Wilhelm works for a corporation. He wears several 'hats' and is in charge of getting the mail, opening the mail, issuing purchase orders, approving purchase orders, and making payments to vendors. Which of the following internal controls is most blatantly being violated? Human Resource Controls Segregation of duties Physical Controls Establishment of Responsibilities Question 26 Net realizable value of accounts receivables or A/R net is defined as: the amounts a company has written off as uncollectible Those amounts a company estimates they will not be able to collect. the amounts a company has billed on account The amount of receivables a company expects to collect