Bonita Inc. owns the following assets. Asset A B Cost $70,900 51,400 89,380 Salvage $7,090 5,140 4,360 Composite depreciation rate Composite life Estimated Useful Life Compute the composite depreciation rate and the composite life of Bonita's assets. (Round answers to 1 decimal place, e.g. 4.8% or 4.8 years.) 10 years 5 years 12 years % years