A company purchased $10,000 of merchandise on June 15 with terms of 2/10, n/45. On June 20, it returned $900 of that merchandise. On June 29, the company paid the due ammount to the seller, so the cash account is credited by: O a. $8.924. O b. $10.900 O c. $10.100. O d. $9.100. On 1/9/2020 Birzeit University received $840 from a student as tuition fees for the current semester the end on 31. Jan., 2021. the amount Birzeit university reported on the Dec. 2020 balance sheet for Uneared Revenue was O a $672 O b. $840 O c. $0 O d. $168