For each of the following situations, determine whether the criteria for revenue recognition have been met by December 31, 2018.

a. A manufacturing company received \(\$ 60,000\) cash on December 31,2018 , as an advance payment on a special order for a piece of equipment. The equipment will be manufactured by March 31, 2019.

b. A television dealer acquired six new high-definition television sets for \(\$ 7,800\) cash on December 31,2018 , and advertised their availability, at \(\$ 2,000\) each, in that evening's newspaper.

c. A snow removal service signed a contract on November 15,2018 , with a shopping mall to clear its parking lot of all snowfalls over 1 inch during the months of December 2018 through March 2019. The cost is \(\$ 900\) per month and payment is due in two \(\$ 1,800\) installments: January 2 , 2019, and February 1, 2019. By December 31, 2018, no snowfall over 1 inch had occurred.