Pina Inc. owns the following assets.

       Asset      Cost Salvage   Est. useful life
A     $70,000    $7,000           10 years
B     50,000       5,000           5 years
C     82,000        4,000          12 years


Compute the composite depreciation rate and the composite life of Pina's assets.

Composite depreciation rate % ____________________
Composite Life years ____________________________