An objective statement is a concise, position-centered statement describing the value you can add and the needs you can fulfill. An objective may include a brief statement of skills and qualifications you will bring to a position. A professional summary is longer and provides more detail than an objective statement.
Q2. Im not sure but probably refracting since that would bend light coming in and make objects appear bigger,
Also sorry to hear that no one answers you questions.. :(
Marginal cost refers to the amount of money it cost a company to produce one more of a particular product while the marginal benefit refers to the benefit that is obtained as a result of producing that one extra product. Profit is maximized when the marginal cost equals the marginal benefits.
