AFB Systems is considering a new marketing campaign that will require the addition of a new computer programmer and new software. The programmer will occupy an office in​ AFB's current building and will be paid​ $8,000 per month. The software license costs​ $1,000 per month. The rent for the building is​ $4,000 per month.​ AFB's computer system is always​ on, so running the new software will not change the current monthly electric bill of​ $900. The incremental expenses for the new marketing campaign are_____.