Sarasota Interiors purchased a delivery truck for R$33,000 on January 1, 2025. The truck has an expected residual value of R$2,000, and is expected to be driven 100,000 miles over its estimated useful life of 10 years. Actual miles driven were 13,800 in 2025 and 10,200 in 2026. Calculate depreciable cost per unit. (Round answer to 2 decimal places, e.g. 0.50.) Depreciable cost per unit R$ per mile