Calculating Break Even Amanpreet Kaur, administrator of a diagnostic clinic, needs to determine if he can add an additional staff member (technologist aide) to the diagnostic program, which currently has 2 diagnostic machines and 2 technologists. He has compiled the following information: Reimbursement per test $75 Equipment cost per month per machine $800 Maintenance cost per month pe machine $700 Technologist cost per test $20 Variable cost per test $10 Technologist aide cost per test $4 .