Use the Information Below to Answer the Following Questions

Use the information below to answer the following questions.
Fact 20.1.1
At the beginning of 2012, Peter's Perfectly Prickly Piercing Parlour had $5,000 worth of bellybutton and eyebrow rings on hand, 2 computers (each worth $1,000) , 1 cash register worth $100, electrical equipment worth $500, and one piercing needle worth $500.At the end of 2012, they had $5,000 worth of bellybutton and eyebrow rings, a new high speed computer worth $3,000 (they had to throw out the old ones) , the same cash register, which was now worthless, electrical equipment worth $600, and they had upgraded the needle at a cost of $700 which was valued at $1,000.
-Refer to Fact 20.1.1.Peter's gross investment in 2012 is

A) $2,800.
B) $3,800.
C) $1,800.
D) $7,800.
E) $5,800.