I need help with the last of these questions (the italicized one). I have tried a few different methods, but none show as correct. I have put the answers I have found for the other questions (bold numbers).

Problem 1-24 Different Cost Classifications for Different Purposes [LO1-1, LO1-2, LO1-3, LO1-4, LO1-5]

Dozier Company produced and sold 1,000 units during its first month of operations. It reported the following costs and expenses for the month:

Direct materials				$	69,000
Direct labor				$	35,000
Variable manufacturing overhead	$	15,000
Fixed manufacturing overhead		28,000
Total manufacturing overhead				$	43,000
Variable selling expense	$	12,000
Fixed selling expense		18,000
Total selling expense				$	30,000
Variable administrative expense	$	4,000
Fixed administrative expense		25,000
Total administrative expense				$	29,000

Required:

1. With respect to cost classifications for preparing financial statements:

a. What is the total product cost? $147,000

b. What is the total period cost? $59,000

2. With respect to cost classifications for assigning costs to cost objects:

a. What is total direct manufacturing cost? $104,000

b. What is the total indirect manufacturing cost? $43,000

3. With respect to cost classifications for manufacturers:

a. What is the total manufacturing cost? $147,000

b. What is the total nonmanufacturing cost? $59,000

c. What is the total conversion cost and prime cost? $78,000 and $104,000

4. With respect to cost classifications for predicting cost behavior:

a. What is the total variable manufacturing cost? $119,000

b. What is the total fixed cost for the company as a whole? $71,000

c. What is the variable cost per unit produced and sold? $135

5. With respect to cost classifications for decision making:

a. If Dozier had produced 1,001 units instead of 1,000 units, how much incremental manufacturing cost would it have incurred to make the additional unit?