The following information pertains to Ari Corporation and its divisions for the year ended December 31, 2011 (in thousands):

Sales to unaffiliated customers

$4,000

Intersegment sales of products similar to those

sold to unaffiliated customers

1,200

Interest earned on loans to other industry segments

80

The intersegment interest is not reported by the divisions on internal reports reviewed by the chief operating officer. Ari and all of its divisions are engaged solely in manufacturing operations. Ari has a reportable segment if that segment’s revenue exceeds:

a $528

b $520

c $408

d $400