LAN N/w thruput, Basic Qs - Off-Topic

For a LAN configured at 100 MBPS Full Duplex, which of the following is True?

1. 100 MBPS available for Send + 100 MBPS available for receive
2. 50 MBPS available for Send + 50 MBPS available for receive

Any reasons if possible with it please?

Thanks

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