The difference between the takeover offer of $2.95 minus the...

The difference between the takeover offer of $2.95 minus the approximate share price ($2.20) beforehand gives a return.
$2.95 - $2.20 = $0.75

You'd otherwise get $0.75 in about 5 years just by holding onto and continuing to own this share.

Another way to look at it would be to use the Future Value function in Excel.
=FV(0.056,5,0,2.2,0)
= 2.89

Anyway, watching some big daily volumes going through past couple of days. 34M today