The company is offered a$5\%$ discount $($discounted price is $ $1\mathrm{.}90)$ for orders of $5000$ and

over. Order cost and holding cost remain at $$150$ per order and $$1\mathrm{.}50$ respectively. If the

company orders $5000$ items per order, calculate the:

i$.$ Number of orders per annum $(1$ mark$)$

ii$.$ Average stock $(1$ mark$)$

iii. Annual stock holding cost $(2$ marks$)$

iv$.$ Annual order cost $(2$ marks$)$

v$.$ Annual inventory cost $(2$ marks$)$

vi$.$ Total annual cost of items and inventory