ost D FIFO U i ow Cost Tip tollawing as tyPes sli0ukl utilize the Average Cost accounting option' 11 Reg', ated Investment Cciricany (RIC) Only 'I Divelerie Relnyest-rient Par (ORP) Only — Both RIC anti ORP X None Each eCCOult I Open, and each sUIN14.-couit opened L'Ider itch ccount frem time to time. are si.t