At $12/31/20$ prior to checking for impairment, a company reported the book value of net assets for its discontinued operation at $$7,000,000.$ The company deemed that a pretax impairment loss of $$850,000$ was suggested by its estimate of the fair value of net assets and estimated costs for disposal. In the following year, the company sold the discontinued operation for $ $5,500,000$ and paid selling costs of $ $110,000.$ The company has an effective tax rate of $20\%$ Determine the gain or loss on disposal, net of tax. a$.$ $$608,000$ b$.$ $$432,000$ c$.$ $$1,464,000$ d$.$$$1,288,000$