[Q]: Sentence: It was only in the 1980s that digital telephony transmission networks became possible, such as with ISDN networks, assuring a minimum bit rate (usually 128 kilobits/s) for compressed video and audio transmission. Question: What is the minimum bit rate for compressed video and audio transmission?
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[A]: yes

[Q]: Sentence: Perhaps the best known summary is contained in the five points of Calvinism, though these points identify the Calvinist view on soteriology rather than summarizing the system as a whole. Question: What area does the five points of Calvinism focus on?
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[A]: yes

[Q]: Sentence: Hence the additional costs of the incentives for early deployment should be considered learning investments; they must be wisely spent and need to be widely shared". Question: What should the cost of incentives for producing solar energy be considered?
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[A]:
yes