please help the calculation global logistics (ciffa) show calculation steps

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Given the following truck freight rate tariff (in lbs/cwt from Toronto), what is the freight charge for a shipment weighing 8500 lb going to London? Location Min LTL +500 +1000 +2000 +5000 +10,000 50.00 20.00 Cambridge Kitchener 16.00 14.00 12.60 11.09 7.76 55.00 22.00 17.60 15.40 13.86 12.20 8.54 Fort Erie 85.00 34.00 27.20 23.80 21.42 ho 18.85 13.19 London 75.00 28.00 22.40 19.60 17.64 15.52 10.87 Chatham 90.00 38.00 30.40 26.60 23.94 21.07 14.75 Windsor 100.00 40.00 32.00 28.00 25,20 22.18 15.52 Sarnia 125.00 50.00 40.00 35.00 31.50 27.72 19.40 Given the following truck freight rate tariff (in lbs/cwt from Toronto), what is the freight charge for a shipment weighing 900 lb going to Cambridge? Location Min LTL +500 +1000 +2000 +5000 +10,000 50.00 20.00 Cambridge Kitchener 16.00 14.00 12.60 11.09 7.76 55.00 22.00 17.60 15.40 13.86 12.20 8.54 Fort Erie 85.00 34.00 27.20 23.80 21.42 18.85 13.19 London 75.00 28.00 22.40 19.60 17.64 15.52 10.87 Chatham 90.00 38.00 30.40 26.60 23.94 21.07 14.75 Windsor 100.00 40.00 32.00 28.00 25.20 22.18 15.52 Sarnia 125.00 50.00 40.00 35.00 31.50 27.72 19.40 Listen Given the following truck freight rate tariff (in lbs/cwt from Toronto), what is the freight charge for a shipment weighing 1900 lb going to Chatham? Location Min LTL +500 +1000 +2000 +5000 +10,000 50.00 20.00 16.00 14.00 Cambridge Kitchener 12.60 11.09 7.76 55.00 22.00 17.60 15.40 13.86 12.20 8.54 Fort Erie 85.00 34.00 27.20 23.80 21.42 18.85 13.19 London 75.00 28.00 22.40 19.60 17.64 15.52 10.87 Chatham 90.00 38.00 30.40 26.60 23.94 21.07 14.75 Windsor 100.00 40.00 32.00 28.00 25.20 22.18 15.52 Sarnia 125.00 50.00 40.00 35.00 31.50 27.72 19.40 Given the following truck freight rate tariff (in Ibs/cwt from Toronto), what is the freight charge for a shipment weighing 300 lb going to Fort Erie? Location Min LTL +500 +1000 +2000 +5000 +10,000 50.00 20.00 16.00 Cambridge Kitchener 14.00 12.60 11.09 7.76 55.00 22.00 17.60 15.40 13.86 12.20 8.54 Fort Erie 85.00 34.00 27.20 23.80 21.42 18.85 13.19 London 75.00 28.00 22.40 19.60 17.64 15.52 10.87 Chatham 90.00 38.00 30.40 26.60 23.94 21.07 14.75 Windsor 100.00 40.00 32.00 28.00 25.20 22.18 15.52 Sarnia 125.00 50.00 40.00 35.00 31.50 27.72 19.40