Tim Worker wants to compare the cost of online banking with that of check writing. Tim writes an average of 35 checks a month for his donations, utilities, and other expenses

Incomplete and unclear question. However, note the following general overview of online banking over check writing.

Step-by-step explanation:

In online banking it offers the customer flexibility to perform transactions over the internet which comes with certain charges.

However, check writing accounts comes with even greater fees and restrictions such as maximum withdrawal limitations, overdraft fees, monthly/maintenance fees, ATM withdrawal fees from third-party banks.