Splish Splash Art is a centre that offers children$$s music and dance lessons. Splish Splash prepares annual financial statements and has a December $31,2023,$ year$-$end.

On September $1,$ Splish Spash Art collects $$20,300$ cash for dance lessons running from September $1,2023$ to December $31,2023.$

On October $1,$ Splish Splash Art collects $$6,600$ cash in advance from the Music Box Inc. $($$$3,300$ per month$)$ to rent its performance stage for the full month of December $2023$ and January $2024.$

On October $1,2023,$ Splish Splash Art collects $$10,400$ cash for four months of music lessons for a local private school. The lessons run from October $1,2023$ to January $31,2024.$

Required:

For the above transactions, record the initial journal entry and the adjusting entry required on December $31,2023.$

a$.$Record cash received in advance for future dance lessons.

b$.$Record annual adjusting entries for earned revenue received in advance.