What is the change in cost per unit variable change called ?
		A. Variable cost
B. Incremental cost
C. Fixed cost
D. Supplemental cost
		A. Variable cost
B. Incremental cost
C. Fixed cost
D. Supplemental cost
		A. It has a perpetual life
B. It will be dissolved if one of the partners ceases to be connected with the partnership
C. It can be handed down from one generation of partners to another
D. Its capitalization must be equal for each partner
		A. Registered bond
B. Coupon bond
C. Mortgage bond
D. Collateral trust bond
		A. higher than the surface of liquid
B. the same as the surface of liquid
C. lower than the surface of liquid
D. unpredictable
E. none of the above
		A. 0.5
B. 0.4
C. 0.515
D. 0.5
E. none of the above
		A. 3 ppm
B. 4 ppm
C. 5 ppm
D. 10 ppm
		A. Top of smaller sewer is kept lower
B. Top of larger sewer is kept lower
C. Tops of both the sewers are at the same level
D. None of these