Exercise 3-43 Recognizing Expenses Treadway Dental Services gives each of its patients a toothbrush with the name and phone number of the dentist office and a logo Imprinted on the brush. Treadway purchased 15,000 of the toothbrushes in October 2019 for $3,130. The toothbrushes were delivered in November and paid for in December 2019. Treadway began to give the patients the toothbrushes in February 2020. By the end of 2020, 4,500 of the toothbrushes remained in the supplies account. Required: How much expense should be recorded for the 15,000 toothbrushes in 2019 and 2020 to properly match expenses with revenues? If an amount is zero, enter"0". 2019 2020 $