| CPC G06Q 30/0242 (2013.01) [G06Q 30/0605 (2013.01); G06Q 30/0633 (2013.01)] | 10 Claims |

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1. A sales management system, comprising:
at least one processor; and
at least one memory device that stores a computer program to be executed by the at least one processor, the computer program comprising:
acquisition code configured to cause the at least one processor to acquire sales data on a target product sold at a shop to be targeted, the sales data indicating a plurality of time-series values relating to sales of the target product; and a period of a bargain sale of the target product at the shop to be targeted;
strength acquisition code configured to cause the at least one processor to acquire, as a strength of an advertisement, from an access log or access statistics from a server that outputs an advertisement web page for each of a plurality of shops, a display frequency or a number of impressions of a web page on which an advertisement for the bargain sale is displayed;
color determination code configured to cause the at least one processor to determine a density of a display color in the period of the bargain sale based on the display frequency; and
output code configured to cause the at least one processor to output an image including a graph which is based on the plurality of time-series values indicated by the acquired sales data, and in which a display mode for an area corresponding to the period of the bargain sale is different from a display mode for another area, and in which the area corresponding to the period of the bargain sale is drawn based on the determined density.
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