
Answer:
Difference = -1.45%
Explanation:
As per the data given in the question,
                Old price      New price
D0 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â $0.85 Â Â Â Â Â Â Â $0.85
P0 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â $22.00 Â Â Â Â Â Â $34.00
g                  6.00%        6.00% Â
D1 = D0 × (1+g)       $0.901       $0.901 Â
rs = D1 ÷P0 + g       10.10%       8.65%
We can calculate the difference by using following formula:
Difference = rs (old price) - rs1 (New price)
By putting the value, we get
= 8.65% - 10.10%
= -1.45%