Smith Corporation has provided the following information: Cash sales totaled $135,000. Credit sales totaled $289,000. Cash collections from customers for services yet to be provided totaled $48,000. An $10,000 gain from the sale of property and equipment occurred. Interest income totaled $8,700. How much of these items were included in operating income?

$434,000

$490,700

$432,700

$472,000