Calculate what amount the annual Annuity (A) payment (1 pymtlyear) would be required to have in the future $300,000 ( F ) on hand for investment in 5 years ( N ) if your investment firm guaranteed 4% Interest per year (i)? a. $55,389 b. $62,400 c. $72,000 $73,000 Using the Inverse Square Rule for radiation intensity (I1)(d1)2-(12)(d2)2, if a one mimiCurie (mCi) Cesium-134 (Cs-134) source emits 3.4mR/hr at one foot (d1), how many feet (d2) would be anticipated for a 8 Cr source to be reduced to the exposure level of 2 mPuhr (12) i a.3.7 feet b. 760 feet c. 1166 feet d. 291.5 feet