my $weekday_peak_first_hr = 11;
my $weekday_peak_last_hr = 19;

my $summer_first_mo = 6;
my $summer_last_mo = 10;

my $winter_peak_rate = 20.213;
my $winter_offpeak_rate = 11.82;
my $summer_peak_rate = 22.713;
my $summer_offpeak_rate = 12.032;

my $standard_rate_tier1 = 15.287;
my $standard_rate_tier2 = 17.271;