In preparing the accounts of television dealer for the year end December $31$st $1996,$ the following information is extracted

Stock $21$st january at cost $30$$ each $100$ television

purchases for the year all at $30$$ $400$ television

Stock at $31$st December valued at cost $120$ television

The television sets were sold at $40$$ each

You are required to prepare a trading profit and loss account and from this accounting answers to the following questions.

a$.$ State the number of television sold during the year

b$.$ What were the total sales in $$?$

c$.$ Cost of goods sold

d$.$ Average stock held

e$.$ Calculate the rate of stock turnover.

$$ Gross profit.

g$.$ What is the percentage of gross profit on sales?

h$.$ Mark $-$ up

i$.$ If the retailer had sold the television set at $44$$ each, what would be

$($ i$)$The percentage of gross profit on sales

$($ii$)$ The percentage of gross profit on cost price