Below are transactions for Lobos, Inc., during the month of December. Calculate the amount of revenue to recognize in December. a. Receive $1,200 cash from customers for services to be provided next month. Amount of revenue b. Perform $900 of services during the month and bill customers. Customers are expected to pay next month. Amount of revenue c. Perform $2,300 of services during the month and receive full cash payment from customers at the time of service. Amount of revenue