RPC Inc., Atlanta, hired Scudder Defined Contribution Services to provide investment and record keeping services to its $21 million 401(k) plan, confirmed Kathleen Coogan, a company official. Participants will have a choice of 10 mutual funds, eight from Scudder and two from other fund companies. The Scudder funds are: Stable Value; Pathway Conservative Portfolio; Pathway Balanced; Pathway Growth Portfolio; Large Company Growth; Growth & Income; Stock Index and International. The participants may also choose Managers Special Equity and Dodge & Coxs Balanced Fund, Ms. Coogan said. The RPC 401(k) plan previously was in a master trust administered by Northern Trust, Ms. Coogan said. Participants had four investment options offered by the bank.