Lars Consumes Only Potatoes and Herring

Multiple Choice

Lars consumes only potatoes and herring.When the price of potatoes was 9 crowns per sack and the price of herring was 5 crowns per crock, he spent his entire income to buy 5 sacks of potatoes and 10 crocks of herring per month.Now the government subsidizes potatoes.Market prices haven't changed, but consumers get a subsidy of 5 crowns for every sack of potatoes consumed.To pay for this subsidy, the government introduced an income tax.Lars pays an income tax of 20 crowns per month.If s is the number of sacks of potatoes and c is the number of crocks of herring, what is Lars's new budget equation?

A) 9s + 5c = 100.
B) 14s + 5c = 95.
C) 4s + 5c = 95.
D) 4s + 5c = 75.
E) 14s + 5c = 120.