Allocating joint cost Keiffer Production manufactures three joint products in a single process. The following information is available for August: Allocate the joint cost of $892,800 to the production based on the following: a. number of gallons. Note: Round proportions to the nearest tenth of a percentage (i.e. round 13.45% to 13.5% ) and dollar amounts to the nearest whole dollar. b. sales value at split-off. Note: Round proportions to the nearest whole percentage (i.e. round 13.45\% to 13% ) and dollar amounts to the nearest whole dollar. c. approximated net realizable values at split-off. Note: Round proportions to the nearest whole percentage (i.e. round 13.45% to 13% ) and dollar amounts to the nearest whole dollar