Answer:
The ROA for the month of October was 10%
Explanation:
Return over Assets: It represent the yield of the company base on the resources it has during the period.
Return Over Assets = Â Net income / average Assets
were average assets = ( beginning + ending ) / 2
Net income  $40,400
Beginning Assets $346,000
Ending Assets    $462,000
Average Assets   $404,000
ROA = Â 40,400/404,000 Â = Â 10%