### Instruction:

Extract the cause and effect entities from the following sentence:
Since proprietary systems are usually customized to their application, they can offer benefits in transmission range, very low power consumption and per unit cost

### Assistant:

KEYWORD: Since
VARIABLE: per unit cost
CONDITION: very low
CAUSE_1: proprietary systems are usually customized to their application
EFFECT_1: they can offer benefits in transmission range
EFFECT_2: very low power consumption
AND: and
EFFECT_3: per unit cost

