Which of the following costs would be included as part of (i) research costs or (ii) development costs for a project to improve the production process of a confectionery plant?

(a) depreciation of administrative equipment during the research phase of the project

(b) salaries of administrative staff during the development phase of the project

(c) salaries of staff working half-time on the research project and half-time on other work

(d) depreciation of laboratory equipment used to undertake development of the new production process

(e) consulting fees paid to outside consultants used in the research phase and development phase of the project

(f) raw materials used in the research phase and development phase of the project.