QUESTION $13$

Table $13-11$

Teacher's Helper $is$ a small company that has a subcontract $to$ produce instructional materials for disabled children $in$ public school districts. The owner rents several small rooms $inan$ office building $in$ the suburbs for $$600$ a month and has leased computer equipment that costs $$480$$$3,06f$

$b.$ $$900$

$c.$ $$2,500$

$d.$ $$1,250$