ladies need you help ASAP what do I get my bf for Val. day when I have to stay home and watch our baby

23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems

98 points! include an answer and in advance!

Lydia finds a car that costs 13,000, and she has 2,500 saved for a down payment. if she qualifies for a 5% interest rate, how much will the interest be calculated on? 13,000? 12,000? 15,500? 10,500? in : )