For the ultimate in support for your business you should consider taking out a support contract. Two types of support contract are available: Premium Support and Premium Support with Software Assurance. Each is an annual contract which can be paid for in monthly instalments.
Premium Support offers unlimited access to support staff via email, telepone, fax and internet. Premium Support with Software Assurance additionally offers free upgrades to any new versions released during the contract period. Both are available on a payment plan which can enable you to buy software and support for a fixed monthly payment which is fully tax deductible.