Final answer:
Similarities between procurement in the public and private sector include financial management, negotiations, purchasing, contract administration, evaluation, the socialization and bidding process, and utilization of automated purchasing systems and execution of multi-year contracts.
Step-by-step explanation:
A) Financial management, negotiations, purchasing, contract administration, and evaluation are all tasks central to the achievement of cost-effectiveness in the public and private sector alike. C) Utilization of automated purchasing systems for transaction processing and tracking as well as execution of multi-year contracts are common trends in both sectors. Therefore, the correct answer is E) A, B, and C.