1. Fine. It's OK with either was or is .
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CalifJim2. Awkward to my ear with and.If you ever find out, let me know. That would be great.Generally, people say, "If you could do so and so, that would be great". But here the 'if' clause seems to be for 'then let me know' and 'that would be great' seems isolated. That is why I got confused.