Mrs. H.B. found a display model of a notebook computer to use for her business for $1,400, including software. However, since the model had been discontinued and the display had no packaging…

Mrs. H.B. found a display model of a notebook computer to use for her business for $1,400, including software. However, since the model had been discontinued and the display had no packaging material or instructions, the store manager discounted the price to $1,150. What was the percentage of the reduction?