2 pes Cisco received $2,700 from a tenant on December 1 for three months' rent of an office. This rent was for December, January, and February. If Cisco debited Cash and credited Unearned Rental Income for $2,700 on December 1, what necessary adjustment would be made on December 31? Unearned Rental Income 900 DR; Rental Income 900 CR Rental Income 900 DR; Unearned Rental Income 900 CR Unearned Rental Income 1,800 DR; Rental Income 1,800 CR Rental Income 1,800 DR; Unearned Rental Income 1,800 CR The basic principles of internal control for cash include which of the following? All payments should be made by check, except for small payments from petty cash. There should be a separation of duties so that the people responsible for handling cash and for its custody are not the same people who keep the cash records. All cash receipts should be deposited in the bank, intact, each day. All of the above. All of the following are purposes of internal control except to: safeguard assets promote operational inefficiency encourage adherence to company policies ensure accurate and reliable accounting records Pus If the cost of an item of inventory is $80, the current selling price is $100, and the current replacement cost is $75, the amount shown in inventory on the balance sheet under the lower-of-cost-or-market rule is: $75 O $100 $80 O $75 or $80