please read carefully below captured screen. it shows the dividend rate within 10 years in two competitors. please answer it with full explanations. Thanks.

A company Date Dividends B company 2011-03-09 0.04 Date Dividends 2012-03-08 2011 2013-03-08 0.04 0.04 2012 1.15 2014-03-10 2013 2015-03-10 0.04 0.04 2014 1.75 2016-03-09 2015 2017-03-08 0.04 2.5 0.04 2016 2018-03-09 0.04 2017 2.6 2018 2.7 3 1. Based on historical growth rates in dividend, will the forecasted growth in dividend be constant or non-constant? Explain. 2. How do companies use dividend announcements as a signaling mechanism