Bruce Operates a Coffee Stall at the University

Multiple Choice

Bruce operates a coffee stall at the university.On 30 June 2016,he has $400 in his business bank account,the stall and equipment are worth $5200,ingredients on hand cost $60 and paper cups cost $10.Students owe him $120 and he owes his suppliers $370.He also owes his mother $4100,which enabled him to get started.What is Bruce's owners' equity?

A) $400
B) $1320
C) $4000
D) $5420