Over a four year period lakeisha thompson purchased shares in the oakmark i fund

hello your question is incomplete attached below is the complete question

answer : $6000

Step-by-step explanation:

A) calculate the total amount invested at the end of four years

∑ invested amount for four years

= $1500 + $1500 + $1500 + $1500

= $6000

The use of the dollar cost of averaging helps to minimize the cost of shares and as well as prevent the effects of the sudden moves of shares value

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation: