please answer this2 qusiton I have an exam

prepare the journal entries: if the 11 company did receive (2000) from the customer in advance for two years later ) (3 ) ! Prepare The journal entries: if the. 12 company did not pay (1800) salaries for two years ago 2) (2 ) Prepare the journal entries: if the. 13 company received the amount from the customer 3,000 which he did not pay it from 3 years ago ) (3 )