Help leasing 2018 gmc 1500 Denali ultimate

I was offered a Denali ultimate with msrp of 64000 for 1000 down and 585 a month for 36 months with 10,000 miles per year. I was wondering if that is a good deal. Thanks for the advice in advance!

Not enough info. Please use following format to post someone may be able to help you then.

MSRP: [$47,115]
Selling Price: [$34,115]
Rebates: [$1000 über $500 boost up $4000 from dealer ( $flex coupon unknown how much )$4000 lease cash $1000 competitive]
Trade-in: [$0]

Months: [36]
Annual Mileage: [15,000]

MF: [optional]
Residual: [optional]

Security Deposit: [$500]
Total Due At Signing: [$899 plus first payment]
Monthly Payment (incl. tax): [$399]

Zip Code: [22032]
Sales Tax Rate: [6%]