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In one of the tanker bearings, "Al-Quwaish" exploited the energy of machinery and equipment at 85% and the net monthly sales value of 8000 dinars. The following amounts were disbursed in operational operations, 2500 dinars wages of primary materials, insurance prices 300 dinars, loans 250 dinars, administrative expenses 200 dinars, 500 dinars, marketing expenses 130 dinars, industrial expenses 130 dinars Calculate Miley 1. Fixed costs 2 - changing costs 3. Sales 4- The value of the tie point - In one of the tanker bearings, "Al-Quwaish" exploited the energy of machinery and equipment at 85% and the net monthly sales value of 8000 dinars. The following amounts were disbursed in operational operations, 2500 dinars wages of primary materials, insurance prices 300 dinars, loans 250 dinars, administrative expenses 200 dinars, 500 dinars, marketing expenses 130 dinars, industrial expenses 130 dinars Calculate Miley 1. Fixed costs 2 - changing costs 3. Sales 4- The value of the tie point