Problem $4-06$

Barbara buys $70$ shares of DEM at $$25\mathrm{.}00$ a share and $170$ shares of GOP at $$38\mathrm{.}00$ a share. She buys on margin and the broker charges interest of $6$ on the loan.

a$.$ If the margin requirement is $61$ percent, what is the maximum amount she can borrow? Round your answer to the nearest cent.

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b$.$ If she buys the stocks using the borrowed money and holds the securities for a year, how much interest must she pay? Round your answer to the nearest cent.

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c$.$ If after a year she sells DEM for $$16\mathrm{.}00$ a share and GOP for $$32\mathrm{.}00$ a share, how much did she lose on her investment? Use a minus sign to enter the amount as a negative value. Round your answer to the nearest cent.

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d$.$ What is the percentage loss on the funds she invested if the interest payment is included in the calculation? Use a minus sign to enter the amount as a negative value. Round your answer to two decimal places.

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