What is the proper spelling for the word consummed?

The Word CONSUMED is the past tense of the verb "to consume" (eat, or use up). Example : "The man consumed his meal. The cost of the meal consumed all of his ready cash." Confusion may result from the Word CONSUMMATED, the past tense of the verb "to consummate" (to complete or conclude). Example : "The company representatives met and consummated the planned merger."