"Business" includes all activities engaged in with the object of gain, benefit, or advantage to the taxpayer or to another person or class, directly or indirectly.
[ 1961 c 15 § 82.04.140. Prior: 1955 c 389 § 15; prior: 1949 c 228 § 2, part; 1945 c 249 § 1, part; 1943 c 156 § 2, part; 1941 c 178 § 2, part; 1939 c 225 § 2, part; 1937 c 227 § 2, part; 1935 c 180 § 5, part; Rem. Supp. 1949 § 8370-5, part.]