Answer:
Skysong Corporation
Statement of Retained Earnings
Retained earnings balance January 1, 2020 $691,300
Add:
Adjustments to 2019 Income Statement $88,390
Net profits 2020 $1,552,100
Less:
<u>Dividends declared and distributed ($82,000) </u>
Retained earnings balance December 31, 2020 $2,249,790
Since the land purchase was recorded as maintenance expense by error, the 2019 income statement must be adjusted by adding that amount.
Answer:
a. radius = 0.0006m = 0.6mm and length =0.393m = 393mm
b. frequency =377.86Hz
Explanation:
Given:
mass of steel= 4g = 0.004kg
density of steel = 7890kg/m3
tensile stress of steel 7.0x10⁸
tension load =900N
from the density, we will calculate for the Volume of the steel string
density = mass/volume
volume = mass/density = 0.004/7890 = 5.07 x 10⁻⁷ m³
from the tensile stress will can get the maximum base Area of the string ,
tensile stress = load/area =
7x10⁸ = 900/A
A = 900/7x10⁸ = 1.29x10⁻⁶ m²
Area = πr²
area/pi = 4.105x10-7
radius = 0.0006m = 0.6mm
volume = Area x length
length = vol/area =(5.07 x 10⁻⁷ m³)/1.29x10⁻⁶ m² = 0.393m
b. the highest possible frequency is given by:
F =
where T= tension, m=mass, L=length
F =
= 297.04/0.786
frequency =377.86Hz
Inflation is 110
<u>Explanation:</u>
The consumer price index is the ratio of the basket prices of the current year to the basket price of the base year multipliers by 100, this helps us to determine inflation
now, cpi in second year =
= 110
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