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# The current price of a Squirtomatic is $29.95, per capita income is $11,000, the price of an Autospritzer is $39.99, the cost of a quart of MIX-O-SQUIRT is $8.45, and advertising expenditures are $84,

The current price of a Squirtomatic is $29.95, per capita income is $11,000, the

price of an Autospritzer is $39.99, the cost of a quart of MIX-O-SQUIRT is

$8.45, and advertising expenditures are $84,000 per month.

If Injecto Plastics increases the price of the Squirtomatic by 10%, per capita

income rises by 5%, the price of an Autospritzer increases by 4%, and the cost of

a quart of MIX-O-SQUIRT falls by 2%, by how much will advertising

expenditures have to change in order to keep sales of Squirtomatics from

changing?