Using the value chain classifications provided, classify the costs listed below for a major bank: $($a$)$ research and development $($b$)$ design $($c$)$ production$/$delivery $($d$)$ marketing $($e$)$ customer support. Costs: $1.$ Salaries of the customer service staff who process deposits and withdrawals. $2.$ Salaries of the managers who develop new services, $3.$ Cost of IT equipment used by customer service staff. $4.$ Cost of the central computer systems used to manage and process all transactions. $5.$ Salarles of staff who deal with customer complaints. $6.$ Cost of operating ATMs. $7.$ Cost of TV advertising. $8.$ Salaries of the head office team that monitors trends in the banking industry.