Unused capacity is the difference between acquired capacity and practical capacity

An investment involves an upfront expenditure of $25 and cash inflows of $5, 10, 15 and 20 in the following 4 years respectively. The cost of capital is 10%. What is this investment's regular payback period?

A) 1 yr B) 1.83 yrs C) 2.67 yrs D) 3.07 yrs

In today's world, the most important source of national advantage is a country's natural resources

Indicate whether the statement is true or false