Suppose the exchange rate between the South African Rand (R) and the United States Dollar ($) changed from R10 per $1 to

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Suppose the exchange rate between the South African Rand (R) and
the United States Dollar ($) changed from R10 per $1 to R15 per $1.
If domestic prices remain the same, what would be the effect of
this situation on the Rand and South Africa's imports?
Select one:
a. A depreciation of the Rand, making South African imports from
the United States more expensive
b. A depreciation of the Rand, making South African imports from
the United States cheaper
c. The Rand would buy three times more goods than before the
change occurred
d. Appreciation of the Rand, making South African imports from
the United States cheaper