What was the increase / (decrease) in the Inter-segment eliminations and other from three months ended August 31, 2018 to 2019?
{"(in thousands of dollars, except percentages)": {"2019 (1)": "$", "2018 (2)": "$", "Change": "%", "Change in constant currency (3)": "%", "Foreign exchange impact (3)": "$"}, "Canadian broadband services": {"2019 (1)": 147815.0, "2018 (2)": 153560.0, "Change": -3.7, "Change in constant currency (3)": -3.8, "Foreign exchange impact (3)": 73.0}, "American broadband services": {"2019 (1)": 148215.0, "2018 (2)": 136506.0, "Change": 8.6, "Change in constant currency (3)": 7.6, "Foreign exchange impact (3)": 1370.0}, "Inter-segment eliminations and other": {"2019 (1)": 6803.0, "2018 (2)": 7911.0, "Change": -14.0, "Change in constant currency (3)": -14.0, "Foreign exchange impact (3)": -2.0}, "": {"2019 (1)": 302833.0, "2018 (2)": 297977.0, "Change": 1.6, "Change in constant currency (3)": 1.1, "Foreign exchange impact (3)": 1441.0}}
inter_segment_eliminations_2019 = df["Inter-segment eliminations and other"]["2019 (1)"]
inter_segment_eliminations_2018 = df["Inter-segment eliminations and other"]["2018 (2)"]
answer = inter_segment_eliminations_2019 - inter_segment_eliminations_2018