Hiring Employees
B: provide customers the service they may want or need
D: hire employees to hand dry and vacuum customer cars
A: satisfy the customers' wants and needs while making profit
| A-C: | Assumption(s) | Injection(s) |
| Customers may want to dry and vacuum their cars to their specifications | customers do not care about drying and vacuuming services |
C: keep the vacuum islands profitable
D': let customers dry and vacuum their cars by themselves at our provided vacuum stations
In order to satisfy the customers' wants and needs while making profit we must provide customers the service they may want or need and in order to provide customers the service they may want or need we must hire employees to hand dry and vacuum customer cars. But, in order to satisfy the customers' wants and needs while making profit we must also keep the vacuum islands profitable and in order to keep the vacuum islands profitable we must let customers dry and vacuum their cars by themselves at our provided vacuum stations. we can't both hire employees to hand dry and vacuum customer cars and let customers dry and vacuum their cars by themselves at our provided vacuum stations.
| Relation | Assumption(s) | Injection(s) |
| B-D | some customers are not capable to do it themselves | some customers are capable of vacuuming themselves |
| C-D' | if our employees do the vacuuming and drying then our vaccum islands will not be used and therefore we will generate any income | even if our customers do the vacuuming and drying then our vacuum islands will still generate income |
| A-B | if we don't provide the customers the service they desire then we will not generate any business | providing customers with the service they want, does not have enough influence on profits |
| A-C | Customers may want to dry and vacuum their cars to their specifications | customers do not care about drying and vacuuming services |