(concurring specially).
I concur in divisions II and IV of the majority opinion. I would reach a different result on the issues treated in divisions I and III, for reasons stated in my dissents filed in Shearer v. Perry Community Sch. Dist., 236 N.W.2d 688, 694 (Iowa 1975) and Lunday v. Vogelmann, 213 N.W.2d 904, 908 (Iowa 1973).