As long as the rate of return is bigger than the inflation, the value and amount of money will increase and so will the purchasing power: the correct answer is "it will increase". 
For example, if you invest 100 dollars, you will receive 108 dollars back, and you'd need 103 dollars to have the same value of money as before - but you have more.  
        
             
        
        
        
You can fund a four-year college degree by either of the following:
1. Loans
Loans can be acquired through federal aid or private means. They must be paid back with interest when the student has graduated. They are guaranteed by the federal government.
2. Scholarships
Scholarships depends on criterias from who will sponsor it. These criterias may include financial need, merits, field of study, etc. There are those who can help students look for a scholarship that fit them like counselors, the government or its agency, community organizations, etc.
3. Work-study programs
They operate with the financial aid office of the school. However, they require the student's determination and financial needs. 
        
                    
             
        
        
        
Answer: Yes contract has been formed.
Explanation: According to the Uniform Electronic Transaction Act (UETA), electronic transactions are just as binding as transactions made on hardcopy documents. Moreover signatures made electronically reinforces the validity of these elctronic documents. 
In the scenario the actual signature was signed on a hard copy by the seller, but it was then faxed back to the listing agent. This faxed copy, showing the faxed signature, is an electronic document that confirms the existence of the contract in accordance with the UETA. This faxed signature is as enforceable as an ink signature. 
 
        
             
        
        
        
Not being able to pay it off is a big one.