
    No. 275.
    New Berlin Redi-Mix, Inc., Appellant, v. Department of Revenue, Respondent.
    (Also reported in 221 N. W. 2d 920.)
    The cause was submitted for the appellant on the brief of Henry A. Tessmer of Milwaukee, and for the respondent on the brief of Robert W. Warren, attorney general, and Allan P. Hubbard, assistant attorney general.
   The j udgment is affirmed.  