Question 7 (1 point) John's 8-year-old Chevrolet Trail Blazer requires repairs, but he can sell it for $4,000. His wife, Sherry, suggested that he should sell the Blazer and buy a 5-year-old used Jeep Grand Cherokee for $7.000 cash. It is expected that both cars can run for 3 more years, with zero terminal disposal value. Sherry estimated the following costs for the two cars: Trail Blazer Grand Cherokee Acquisition cost $30,000 $7,000 Current disposal value $4,000 Annual operating costs (Gas, maintenance, insurance) $2,580 $1,700 How much is the opportunity cost of keeping the Trail Blazer