i need help with this

Reference the options chain for Caterpillar, Inc. (ticker: CAT) shown below. You plan to construct a bull call spread using the $110 strike and the $115 strike. You are only buying one of each respective option contract. What is your max profit? State your answer in total dollar terms (i.e., total out-of-pocket cost not factoring transaction costs), not contract-level terms. Your answer should be a dollar amount with two decimal places of accuracy. (Note on viewing table below: You may have to use a horizontal scrollbar to see all of the columns in the table below.) CAT Option Chain Month: Nov 2020 Expires 11/20/2020 Last Trade: \$105.41 (as of May 15, 2020 11:06)