Answer:
the answer is $39,128
Explanation:
$1087 divided by 2 = 543.4 
$543.4 worth of products is sold in 1 hour 
$543.4 x 720 = $39,128 
i got the 720 for the hours from 30 day so there is 720 hours in 30 days a whole month (24 x 30 =720) 
i hope this helps ;)
sorry if im wrong