my $tag = $part->description . ($part->shared ? 1 : 0);
my $row = $usage_pools{$tag}
||= [ $part->description, 0, 0, $part->shared ? 1 : 0 ];
- $row->[1] += $_->minutes; # minutes remaining
+ $row->[1] += sprintf('%.1f', $_->minutes); # minutes remaining
$row->[2] += $part->minutes; # minutes total
}