Income $42,500
Less:
Deductions <u> 0</u>
Taxable Income $42,500
Tax rate <u> x 10%</u>
Tax payable $4,250
Bear in mind that since the problem is silent, I have assumed that deductions based on marital status, exemptions, PERS or TIAA/CREF retirement contributions are all equivalent to zero (0).
4,000,000 units should be sold a company
<u>Explanation:</u>
<u>Calculating the sales in units:</u>
It has been given that the toal market demand is $20 million, average quantity purchased by buyer per year is 2 units, price average is $50, and the desired share of the market is 10%.

Where:
Q = Total market demand,
N = number of buyers in the market, q = average quantity purchased by the buyer per year,
P = price of average unit

= $2,000,000,000
Market share = 
= 4,000,000 units
Hence, the company should sell 4 million units to achieve 10 percent market share.
The technology that was found in applications such as asset
tracking, smart keys and toll collection is the Electronic Collection System.
This system is very effective especially in the toll collection because it
makes the payment and collection of toll fees easy. The payment is
automatically debited to the account of the owner.
Answer: 5.88%; 8.40%
Explanation:
In finance, the holding period return is simply the return that a portfolio or an asset has accrued during the entire period that the asset or portfolio was being held. It is a way of measuring the performance of an investment.
Based on the information that have been provided in the question,
HPR without margin will be:
= ($54 - $51)/$51
= $3/$51
= 0.588
= 5.88%
HPR with margin will be:
= ($54 - $51)/($51 × 0.70)
= $3/($35.7)
= 0.84
= 8.40%