A man decides which load plan is the best choice if he has an average of 1000.75 min of call in 30 days. Help him choose which plan is the best. Plan X: A fixed fee of £1000 for 30 days for unlimited calls. Plan Y: A fee of £100 for 30 days and a charge of £0.8 per minute (or fractional part) for all calls. Plan Z: A fee of £600 for 30 days, for a total of 30 hours of calls. An additional charge of £0.2 per minute (or fractional part) for all minutes exceeding 30 hours.

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