Coffee Stand Co offers contract CF100 which is comprised of a free standing electric coffee machines for a small stand use plus installation to a customers electric line for a total price of 276$. On a standalone basis the machine sells for 313$, it is known that the cost 151$ and Coffee Stand Co estimates that the fair value of the installation service is 52$. Coffee Stand Co signed 67 CF100 contracts on May 30, 2018 and customers paid the contract price in cash. The electric coffee machines were delivered and installed on June 15,2018. The Cost of Goods sold for CF100 contracts signed in May 2018 is .....