| 摘要 |
PROBLEM TO BE SOLVED: To accurately estimate an income summary when game machines are sold as secondhand machines.SOLUTION: A management device specifies a secondhand reference price according to a model of a game machine (SC 33); specifies a price coefficient corresponding to a total operating times of the game machine (SC 35); calculates a trouble-free secondhand price obtained by multiplying the secondhand reference price by the price coefficient (SC 36); calculates a trouble subtraction amount according to the number of troubles and trouble parts (SC 37); calculates a factual price obtained by subtracting the trouble subtraction price from the trouble-free secondhand price (SC 38); calculates a profit on sales by subtracting a depreciated balance from the factual price (SC 39); and transmits depreciated balance information including the factual price and the profit on sale to a hall computer.SELECTED DRAWING: Figure 32 |
