Suppose your company imports computer motherboards from Singapore. The exchange rate is currently $1\mathrm{.}5126$ S $\frac{\text{\$}}{?}$ US $$.$ You have just

placed an order for $27,000$ motherboards at a cost to you of $231\mathrm{.}35$ Singapore dollars each. You will pay for the shipment when it

arrives in $90$ days. You can sell the motherboards for $$162$ each.

a$.$ Calculate your profit if the exchange rates stay the same over the next $90$ days.

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

b$.$ Calculate your profit if the exchange rate rises by $12$ percent over the next $90$ days.

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

c$.$ Calculate your profit if the exchange rate falls by $12$ percent over the next $90$ days.

Note: A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your

answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

d$.$ What is the break$-$even exchange rate?

Note: Do not round intermediate calculations and round your answer to $4$ decimal places, e$.$g$.,32\mathrm{.}1616.$

e$.$ What percentage decrease does this represent in terms of the Singapore dollar versus the U$.$S$.$ dollar?

Note: Enter your answer as positive value. Do not round intermediate calculations and enter your answer as a percent

rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$