a. Office supplies on hand as of September 1 were $800. b. The equipment depreciation for this period is $2,900. c. Salaries earned by employees, who have not yet been paid, have increased by $1,200. d. Interest owed by JUPITER which has not yet been paid has increased by $450. e. Unearned rent revenue has decreased by $700. f. As of September 1, JUPITER had provided $4,100 of additional rental services for which they have not yet collected payment. a. Office supplies on hand as of September 1 were $800. b. The equipment depreciation for this period is $2,900. c. Salaries earned by employees, who have not yet been paid, have increased by $1,200. d. Interest owed by JUPITER which has not yet been paid has increased by $450. e. Unearned rent revenue has decreased by $700. f. As of September 1, JUPITER had provided $4,100 of additional rental services for which they have not yet collected payment