How many errors are in the code listed below?

daat mycars;

set sashelp.cars;

AvgMPG$=$mean$($mpg$\_$city, mpg$\_$highway$)$;

run;

title "Cars with Average MPG over $35"$;

proc print data$=$mycars

var make model type avgmpg;

where AvgMPG $>35$;

run;

title "Average MPG by car Type";

proc means data$=$mycars average min max maxdec$=1$;

var avgmpg;

class type;

run;

$0$

$1$

$2$

$3$

$4$

$5$