Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Lovetoner Compatible Replacement for Brother LC103 Ink/Inkjet Cartridge Set Black Cyan Magenta Yellow High Yield
Product description: Brother DCP J152W J752DW J4110DW MFC J245 J285DW J450DW J470DW J475DW J4310DW J4410DW J4510DW J4610DW J4710DW J650DW J6520DW J6720DW J6920DW J870DW J875DW
Product feature: LC 103 Set Ink Cartridge
Product price: $12.77
Product brand: Lovetoner
Target attributes: Maximum Page Yield (Black)
Answer: attribute: maximum page yield (black)
value: None
source: None