1003082201

it was lowered by $20\mathrm{\%}$, and the new price was increased by $25\mathrm{\%}$.

it was lowered by $10\mathrm{\%}$, and the new price was increased by $10\mathrm{\%}$.

it was increased by $30\mathrm{\%}$, and the new price was lowered by $30\mathrm{\%}$.

it was increased by $20\mathrm{\%}$, and the new price was lowered by $25\mathrm{\%}$.