Michael has a substantial student debt, but he recently got a new job, which came with a signing bonus. He calculates that with his new job, he can put aside a fixed amount of money every
month to pay off his debt. He also puts the entirety of his bonus towards paying off his debt. He
constructs the expression 30300 – (3000 + 400m) to y present the size of his debt after m
months. Which number describes the value of his signing bonus?