The following partial amortization schedule is available for Sandhill Co. who sold $638000, 5-year, 10% bonds on January 1, 2020 for $663000 and uses annual straight-line amortization.

BOND AMORTIZATION SCHEDULE
Interest Periods	Interest to be paid	Interest expense	Premium Amortization	Unamortized Premium	Bond Carrying Value
January 1, 2020				$25000	$663000
January 1, 2021	(i)	(ii)	(iii)	(iv)	(v)

Which of the following amounts should be shown in cell (iv)?

$22500

$20000

$27500

$30000