Part a   
 
 the primary current (in A) is   
 
    1102.0833  
 
 Part b   
 
 the primary current (in A) with 98% efficiency is   
 
    3.2439659  
 
 Part c   
 
 The losses (in W) is   
 
    269.89796  
 
 Part d   
 
 The rating of the transformer (in kVA) is   
 
    13.225