International oil prices rose on the 21st.

International oil prices rose on the 21st. As of the close of the day, the price of light crude oil futures for delivery in August on the New York Mercantile Exchange rose by $1.68 to close at $84.91 per barrel, an increase of 2.02%; the price of Brent crude oil futures for delivery in September rose by $1.79 to close at $91.01 per barrel, an increase of 2.01%.