
    June 1, 1980.
    417 A.2d 795
    Commonwealth v. Perez, Appellant.
    Submitted March 12, 1979.
    Clayton R. Wilcox, for appellant; David K. James, III, Assistant Public Defender, for Commonwealth, appellee.
    Before VAN der VOORT, WATKINS and LIPEZ, JJ.
   Judgment of sentence affirmed.  