The following data relate to Jones Company for the year ended December 31, 2007:
| Sales on credit | $80,000 | 
| Cost of inventory sold on   credit | 65,000 | 
| Collections from customers | 60,000 | 
| Purchase of inventory on credit | 50,000 | 
| Payment for purchases | 55,000 | 
| Cash collections for common   stock | 30,000 | 
| Dividends paid | 10,000 | 
| Payment to salesclerk | 10,000 | 
Required:
a. Determine income on an accrual basis.
b. Determine income on a cash basis.