Robin Thimble fast graduated with an MBA and is being recruited by a financial securities brokerage as a sales representative. She has had 10 years of sales experience in selling industrial supplies to the steel industry. She was quite successful in her previous experience, buts wored that selling financial instruments may be very different. What factor could be the major reason for her worry? select one:

a the cost inventory management system for reimbursing her when she sells the securities

b. the marketing program of financial instruments is very inconsistent c. the problem that her services and the products she sells are inseparable d. the fact that services are intangible and, therefore, very different from her previous experience