6. A system anticipates that spending $300,000 on an advertising campaign will increase bed days by 650. The marketing department anticipates that each additional bed day will yield $2,100 in additional revenue and will increase costs by $1,700. The campaign a. will reduce profits by $40,000. b. will increase profits by $40,000. c. will increase profits by $90,000. d. will increase profits by $210,000