Answer:
152
Step-by-step explanation:
We know that the total surface area of a cuboid is the sum of the surface area of all six of its faces.
We also know that each opposing side has the same surface area. Thus the total surface area is equal to:
(
)
The reasonable estimate of the current customer price index is 195. The option B is the correct option.
<h3>Customer price index</h3>Customer price index is the price index which measures the weight average of price of basket of customers goods or services.
It can be given as,
Here is the cost of market basket in current period and
is the cost of market basket in the base period.
Cost of market basket in current period is
Cost of market basket in 1983 is,
Substitute all the values in the formula
Thus the value of current CPI is 168.5 which is near about the 170.
Hence, the reasonable estimate of the current customer price index is 195. The option B is the correct option.
Learn more about the customer price index here;