The Table Below Shows the Present Value of Beds for a City

The table below shows the present value of beds for a city hospital,at different interest rates.The price of each bed is $800.If the interest rate decreases from 15 percent (0.15) to 5 percent (0.05) per year,how will the hospital's capital expenditure change?

A) decrease by $138.19
B) increase by $276.39
C) increase by $800
D) increase by $631.04
E) decrease by $1,600