1 to 3 months –
30+ hrs/week –
To achieve the main functions are as follows:
1, sales summary queries: query fields: name of commodity (length 20 words) the number of gold sales gross profit amount cost amount
Query: select the time period can by: name, shop, group, class style condition query summary (refer to the software time summary table)
2, sales daily statement queries: query field: the sale of goods (the number of the gold heavy amount of summary), goods return (the number of the gold heavy ...