6 de un periodista o fotógrafo y tabla sobre expectativa de vida en los Estados Unidos relativa al período 1989-1991 (cfr. Michael Cohan is a Certified Public Accountant with over twenty years of experience as an audit an accounting professional; Reporter, Photographer Top Minimums in 121 Contracts as of April 1, 1985; average reporter top minimum as of April 1, 1985; Reporter, Photographer Top Minimums in 122 Contracts as of April 1, 1986; average reporter top minimum as of April 1, 1986; Reporter, Photographer Top Minimums in 123 Contracts as of June 1, 1987; average reporter top minimum as of June 1, 1987; Reporter, Photographer Top Minimums in 120 Contracts as of April 1, 1988; average reporter top minimum as of April 1, 1988; Reporter, Photographer Top Minimums in 119 Contracts as of April 1, 1989, average reporter top minimum as of April 1, 1989; Reporter, Photographer Top Minimums in 121 Contracts as of April 1, 1990; average reporter top minimum as of April 1, 1990; Reporter, Photographer Top Minimums in 122 Contracts as of April 1, 1991; average reporter top minimum as of August 1, 1991; Reporter, Photographer Top Minimums in 121 Contracts as of April 1, 1992; average reporter top minimum as of April 1, 1992; Reporter, Photographer Top Minimums in 118 Contracts as of April 1, 1993; average reporter top minimum as of April 1, 1993; Reporter, Photographer Top Minimums in 115 Contracts as of June 1, 1994; average reporter top minimum as of June 1, 1994; Reporter, Photographer Top Minimums in 106 Contracts as of June 1, 1995; average reporter top minimum as of June 1, 1995; Reporter, Photographer Top Minimums in 102 Contracts as of December 1, 1996; average reporter top minimum as of December 1, 1997; Reporter, Photographer Top Minimums in 102 Contracts as of April 1, 1997; average salary as of April 1, 1997 y U.S. Decennial Life Tables for 1989-91); d) documentos que acreditan viajes a Guatemala y gastos relacionados con éstos (cfr. recibos de boletos aéreos de American Airlines Inc., Eastern Airlines Inc. Taca Internacional y Pan Am World Airways, en razón de los viajes 7, 8, 11, 15, 17, 19, 20 y 22, los boletos están a nombre de Richard R. Blake Jr., Richard Blake, Douglas Owsley y John Verson; Hertz Guatemala; Hotel Camino Real de Guatemala; La Trattoria Guatemala; Restaurante Marios, Guatemala y Restaurante Romanello, Guatemala); e) recibos por gastos extraordinarios vinculados con esos viajes (cfr. recibo de Helicópteros de Guatemala, de 16 de enero de 1987, emitido a favor de Richard Blake; nota en la cual consignan los gastos en que incurrió el señor Mike Shawcross y algunos recibos; contrato con Felipe Alva, Comisionado Militar de Chiantla en el Departamento de Huehuetenango de 19 de mayo de 1992; nota de la señora Sue H. Patterson, Cónsul General de la Embajada de los Estados Unidos de América, de 4 de octubre de 1990 y memorándum de los señores Richard y Mary Blake, de 22 de marzo de 1998 y adjuntaron algunos recibos); f) declaración del doctor Malcolm Owen Slavin, de 24 de marzo de 1998; g) affidavit de la señora Joanne Hoeper, de 27 de marzo de 1998; y h) gastos de los representantes de los familiares del señor Nicholas Blake (cfr. nota de la señora Joanne Hoeper, de 21 de mayo de 1997). 23. Ni la Comisión Interamericana ni el Estado presentaron prueba alguna.