The following data apply to the provision of psychological testing services:

                                 

Required
Give the amount for each of the following (one unit = one test):
a. Variable production cost per unit.
b. Variable cost per unit.
c. Full cost per unit.
d. Full absorption cost per unit.
e. Prime cost per unit.
f. Conversion cost per unit.
g. Contribution margin per unit.
h. Gross margin per unit.
i. Suppose the number of units decreases to 1,250 tests per month, which is within the relevant range. Which parts of (a) through (h) will change? For each amount that will change, give the new amount for a volume of 1,250 tests.