65. Granger Company makes portable DVD players. In its inventory, Granger found 200 DVD players that had
become obsolete. Each DVD player has a cost of $100. Granger can upgrade these DVD players for $15 each
after which they can be sold at a cost of $40 each. Granger has also received an offer to sell the DVD players, as
is, for a total of $4,000. Compared to just selling the 200 DVD players for a total of $4,000 as they are, what is
the net increase (decrease) in operating income if Granger upgrades the DVD players and then sells them?
D. $5,000 increase
66. CharCore mixes together wood chips and pine oil. After joint manufacturing costs of $2,000 have been
incurred, the mixture separates into two products, granulated charcoal and methyl alcohol. At the split-off point,
granulated charcoal can be sold for $5,000 and the alcohol can be sold for $9,000. The charcoal can be further
processed at a cost of $6,000 to make air filters which could be sold for $15,000. The alcohol can be further
processed at a cost of $7,000 to make a cleaning solvent which could be sold for $14,000. What is the net
increase (decrease) in operating income from air filters?
67. CharCore mixes together wood chips and pine oil. After joint manufacturing costs of $2,000 have been
incurred, the mixture separates into two products, granulated charcoal and methyl alcohol. At the split-off point,
granulated charcoal can be sold for $5,000 and the alcohol can be sold for $9,000. The charcoal can be further
processed at a cost of $6,000 to make air filters which could be sold for $15,000. The alcohol can be further
processed at a cost of $7,000 to make a cleaning solvent which could be sold for $14,000. What is the net
increase (decrease) in operating income from cleaning solvents?
68. CharCore mixes together wood chips and pine oil. After joint manufacturing costs of $2,000 have been
incurred, the mixture separates into two products, granulated charcoal and methyl alcohol. At the split-off point,
granulated charcoal can be sold for $5,000 and the alcohol can be sold for $9,000. The charcoal can be further
processed at a cost of $6,000 to make air filters which could be sold for $15,000. The alcohol can be further
processed at a cost of $7,000 to make a cleaning solvent which could be sold for $14,000. Which product
should be processed further?