Problem 6. [5 pts] Chika Wilson is deciding between two banks for her chequing account. Yuman Bank requires a minimum deposit of $100, charges a monthly fee of eight dollars, plus $0.50 per cheque. Okihoma Bank also requires a minimum deposit of$100, charges no monthly fee, but charges $1.00 per cheque How many cheques would Chika need to write each month to make Yuman Bank less expensive to use than Okihoma Bank? (Show your calculations)