Business Valuation Model Excel v.2.1.2 The Business Valuation Model Excel is an 'out-of-the-box' professional valuation model developed by a CFA charterholder.This simple but powerful application considers Employer Taxes, Benefits, Paid Time Off and Workers compensation to automate your actually hourly cost. Hourly Cost Calculator v.5.0 Free Excel Hourly Cost Calculator automatically calculates your employee hourly cost.