How do the lines in “the black snake” contribute to the structure of the poem?

Ihave no idea what are some of the examples

Its the 3rd one i think

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