Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: CK Series Mushroom Knob Finish: White / Chrome, Size: 1" H x 1" W x 1.13" D
Product description: CK 319 Finish: White / Chrome, Size: 1" H x 1" W x 1.13" D Features: -CK Series collection. -Material: Porcelain/Brass. -Breakaway screws (3/4", 1", 1 1/4", 1 1/2", 1 3/4") included. Knob Type: -Mushroom Knob. Style: -Contemporary. Dimensions: Size 1.25" H x 1.25" W x 1.38" D - Overall Height - Top to Bottom: -1.25". Size 1.25" H x 1.25" W x 1.38" D - Overall Width - Side to Side: -1.25". Size 1.25" H x 1.25" W x 1.38" D - Overall Depth - Front to Back: -1.38". Size 1.25" H x 1.25" W x 1.38" D - Overall Product Weight: -0.15 lbs. Size 1" H x 1" W x 1.13" D - Overall Height - Top to Bottom: -1". Size 1" H x 1" W x 1.13" D - Overall Width - Side to Side: -1". Size 1" H x 1" W x 1.13" D - Overall Depth - Front to Back: -1.13". Size 1" H x 1" W x 1.13" D - Overall Product Weight: -0.1 lbs.
Product price: $6.71
Product brand: R.K. International
Target attributes: Finish
Answer: attribute: finish
value: None
source: None