Updated March 30, 2018:
ECON256_Microcredit.pdf - Changed break even interest rate formulas to use interest rates reported as percentages.
ECON256_Worksheet_Credit_Handout.pdf - Fixed mistakes in answer for bank and borrower profits.

Updated Jan 14, 2018:
ECON256_Worksheet1.pdf - fixed mistake in intermediate step for last question page.  The setup and answer were correct.