Which one is correct? Please hurry

On november 25th, beginning checking balance is $100 account credited for a deposit of $50. account has $150that same day, two checks are posted totaling $75.$150-$75 = $75will an overdraft occur if sherri's bank credits deposits before it posts checks? nowill an overdraft occur if sherri's bank posts checks before it credits deposits? no

Musical notation is a system which is used to  visually represent music  pertaining to the ear  contend  with instruments or sung by the human voice through  the employment  of written, printed, or different symbols.in the western music tradition, the sound is represented in written form through musical notation.in musical notation, the pitch is indicated exclusively by the position of notes on the lines and spaces of the staff.