Executive Training, Inc. provides a personal development seminar that is popular with many companies. The number of seminars offered over the last six months along with the total costs of offering these seminars appear below: Month January February March April May June Incurred Seminars Offered $15,400 14,000 18,000 14,700 19,400 16,500 60 50 75 58 Executive Training, Inc. expects to offer 68 seminars during July Using the high-low method, calculate Executive Training's total expected seminar costs for July. Do not use decimals in your