Answer:
Incremental income from reworking the phone is $49,300
Step-by-step explanation:
 Scrap Rework
Sales $46,400 $214,600
 (32 * 1,450) (148 * 1,450)
- Rework costs 0 $118,900
  (82 * 1,450)
Profit $46,400 $95,700
Incremental income from reworking the phone 
=  $95,700 - $46,400 
= $49,300