The manufacturer of Cabbage Patch dolls used quarterly price data for the period 2006I - 2014IV (t = 1, ..., 36) and the regression equationP_t= a + bt + c₁D₁+ c₂D₂+ c₃D₃

to forecast doll prices in the year 2015. P_t is quarterly prices of dolls, and D₁, D₂, and D₃ are dummy variables for quarters I, II, and III, respectively

DEPENDENT VARIABLE:

PT

R-SQUARE

F-RATIO

P-VALUE ON F

OBSERVATIONS:

36

0.9078

76.34

0.0001

VARIABLE

PARAMETER

ESTIMATE

STANDARD

ERROR

T-RATIO

P-VALUE

INTERCEPT

24.0

6.20

3.87

0.0005

T

0.800

0.240

3.33

0.0022

D1

-8.00

2.60

-3.08

0.0043

D2

-6.00

1.80

-3.33

0.0022

D3

-4.00

0.60

-6.67

0.0001

The estimated quarterly increase in price is ________, and the estimated annual increase in price is ______