Alright, lets gets started.
I suppose , we are asked to find simple interest for above question.
Principal P = $1,250
Rate r = 5.7 %
Time t = 4 years
The formula for simple interest = 
Hence simple interest 
Simple interest 
Simple interest = 285 $
Hence interest earned is $ 285. : Answer
Hope it will help :)
Answer:
I have a screenshot so here you go
Step-by-step explanation: