Using an employee sensor or a POS system, for each service personnel member and work unit, data are acquired for calculating (1) placement of location, (2) time allocation, (3) motivation/vitality, and (4) work efficiency. Data for (1) to (4) are aggregated for each service personnel member and unit of work, and functions F1, F2, F3, and F4 are defined for numerical processing corresponding to each of the data. In order to calculate a "situation pattern" combining the plurality of values, a threshold is provided for each of the F1, F2, F3, and F4. If each of the thresholds is exceeded by the respective function, then a representation of "greater than" is made, and if less than or equal to the threshold, then a representation of "less than" is made, combinations of greater than and less than, for each function, are represented using situation patterns, and by comparing categories of predefined situation patterns, current states of stores are represented overall. Therefore, even comparisons among a plurality of stores are relatively easily carried out by performing the same using the situation patterns.
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