A company budgeted unit sales of 102,000 units for January, 2008 and 120,000 units for February, 2008. The company has a policy of having an inventory of units on hand at the end of each month equal to 30% of next month's budgeted unit sales. If there were 30,600 units of inventory on hand on December 31, 2007, how many units should be produced in January, 2008 in order for the company to meet its goals?
a) 107,400 units
b) 102,000 units
c) 96,600 units
d) 138,000 units