A retail bank provides its customers mobile applications that significantly simplify traditional banking activities. For example, the bank was one of the first to allow customers to use a smartphone to take a picture of a check and electronically deposit into an account. The bank is now promoting the use of AI systems to (1) improve efficiency and optimize business processes, and (2) enable innovation to improve the customer experience. Such unique services demonstrate the bank's desire to achieve strategic benefits related to ________________ and _________________. Group of answer choices Optimization; customer efficiency Focus; cost differentiation Cost leadership; differentiation Cost reduction; cost differentiation None of the answers listed are correct