help please! I won't understand if you find the answer using excel.

(4) elsavador company has discovered a new type of Kitty litter which is absocbent, it is expated that the finm Will expurna (beginirg nav) an unusaliy high growth rate darg the first 3 vears. Duling this ( 3 years) Peried it has exclusile rights to the property where the raw matrial used to mans this litter. it is expated to grow at 20% in the 15% year, 25% in the 2n2 year, and 30% in the 3re year. begining w/ the 4the year the firm's competion Will have access to the makival and from that fime on the firm will achere a nomal gront rate of 6% anniolyy. Duing the ropid growth finiod, the firms dividend fayout ratio hill relativaly low 10\% in the end of first and second year, the marease to 20%, of the payout late will year. From the 4th year omwerds the payout latio will be 50%. Last yoars carrings were EO=$2.00 por shora, and the firms stock nef wind retorn 1512%. What should be the corrent Pire of the common stouk